331364187

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 636880608

約数和(自身を除く): 305516421

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 153, 187, 231, 357, 363, 561, 693, 847, 1071, 1089, 1309, 1683, 2057, 2541, 2557, 3927, 6171, 7623, 7671, 11781, 14399, 17899, 18513, 23013, 28127, 43197, 43469, 53697, 84381, 129591, 130407, 161091, 196889, 253143, 304283, 309397, 391221, 478159, 590667, 912849, 928191, 1434477, 1772001, 2165779, 2738547, 2784573, 3347113, 4303431, 5259749, 6497337, 10041339, 15779247, 19492011, 30124017, 36818243, 47337741, 110454729, 331364187]

約数ペア:

[(1, 331364187), (3, 110454729), (7, 47337741), (9, 36818243), (11, 30124017), (17, 19492011), (21, 15779247), (33, 10041339), (51, 6497337), (63, 5259749), (77, 4303431), (99, 3347113), (119, 2784573), (121, 2738547), (153, 2165779), (187, 1772001), (231, 1434477), (357, 928191), (363, 912849), (561, 590667), (693, 478159), (847, 391221), (1071, 309397), (1089, 304283), (1309, 253143), (1683, 196889), (2057, 161091), (2541, 130407), (2557, 129591), (3927, 84381), (6171, 53697), (7623, 43469), (7671, 43197), (11781, 28127), (14399, 23013), (17899, 18513)]