256224969

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 537788160

約数和(自身を除く): 281563191

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 33, 39, 49, 51, 63, 77, 91, 99, 117, 119, 143, 147, 153, 187, 221, 231, 239, 273, 357, 429, 441, 539, 561, 637, 663, 693, 717, 819, 833, 1001, 1071, 1287, 1309, 1547, 1617, 1673, 1683, 1911, 1989, 2151, 2431, 2499, 2629, 3003, 3107, 3927, 4063, 4641, 4851, 5019, 5733, 7007, 7293, 7497, 7887, 9009, 9163, 9321, 10829, 11711, 11781, 12189, 13923, 15057, 17017, 18403, 21021, 21749, 21879, 23661, 27489, 27963, 28441, 32487, 34177, 35133, 36567, 44693, 51051, 52819, 55209, 63063, 65247, 82467, 85323, 97461, 102531, 105399, 119119, 128821, 134079, 152243, 153153, 158457, 165627, 195741, 199087, 239239, 255969, 307593, 312851, 357357, 369733, 386463, 402237, 456729, 475371, 581009, 597261, 717717, 938553, 1072071, 1109199, 1159389, 1370187, 1674673, 1743027, 1791783, 2153151, 2189957, 2588131, 2815659, 3327597, 4067063, 5024019, 5229081, 6569871, 7764393, 12201189, 15072057, 19709613, 23293179, 28469441, 36603567, 85408323, 256224969]

約数ペア:

[(1, 256224969), (3, 85408323), (7, 36603567), (9, 28469441), (11, 23293179), (13, 19709613), (17, 15072057), (21, 12201189), (33, 7764393), (39, 6569871), (49, 5229081), (51, 5024019), (63, 4067063), (77, 3327597), (91, 2815659), (99, 2588131), (117, 2189957), (119, 2153151), (143, 1791783), (147, 1743027), (153, 1674673), (187, 1370187), (221, 1159389), (231, 1109199), (239, 1072071), (273, 938553), (357, 717717), (429, 597261), (441, 581009), (539, 475371), (561, 456729), (637, 402237), (663, 386463), (693, 369733), (717, 357357), (819, 312851), (833, 307593), (1001, 255969), (1071, 239239), (1287, 199087), (1309, 195741), (1547, 165627), (1617, 158457), (1673, 153153), (1683, 152243), (1911, 134079), (1989, 128821), (2151, 119119), (2431, 105399), (2499, 102531), (2629, 97461), (3003, 85323), (3107, 82467), (3927, 65247), (4063, 63063), (4641, 55209), (4851, 52819), (5019, 51051), (5733, 44693), (7007, 36567), (7293, 35133), (7497, 34177), (7887, 32487), (9009, 28441), (9163, 27963), (9321, 27489), (10829, 23661), (11711, 21879), (11781, 21749), (12189, 21021), (13923, 18403), (15057, 17017)]