81100404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1766

約数の個数: 144

約数和(自身を含む): 270781056

約数和(自身を除く): 189680652

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 126, 132, 153, 154, 187, 198, 204, 231, 238, 252, 306, 308, 357, 374, 396, 462, 476, 561, 612, 693, 714, 748, 924, 1071, 1122, 1309, 1386, 1428, 1683, 1721, 2142, 2244, 2618, 2772, 3366, 3442, 3927, 4284, 5163, 5236, 6732, 6884, 7854, 10326, 11781, 12047, 15489, 15708, 18931, 20652, 23562, 24094, 29257, 30978, 36141, 37862, 47124, 48188, 56793, 58514, 61956, 72282, 75724, 87771, 108423, 113586, 117028, 132517, 144564, 170379, 175542, 204799, 216846, 227172, 263313, 265034, 321827, 340758, 351084, 397551, 409598, 433692, 526626, 530068, 614397, 643654, 681516, 795102, 819196, 965481, 1053252, 1192653, 1228794, 1287308, 1590204, 1843191, 1930962, 2252789, 2385306, 2457588, 2896443, 3686382, 3861924, 4505578, 4770612, 5792886, 6758367, 7372764, 9011156, 11585772, 13516734, 20275101, 27033468, 40550202, 81100404]

約数ペア:

[(1, 81100404), (2, 40550202), (3, 27033468), (4, 20275101), (6, 13516734), (7, 11585772), (9, 9011156), (11, 7372764), (12, 6758367), (14, 5792886), (17, 4770612), (18, 4505578), (21, 3861924), (22, 3686382), (28, 2896443), (33, 2457588), (34, 2385306), (36, 2252789), (42, 1930962), (44, 1843191), (51, 1590204), (63, 1287308), (66, 1228794), (68, 1192653), (77, 1053252), (84, 965481), (99, 819196), (102, 795102), (119, 681516), (126, 643654), (132, 614397), (153, 530068), (154, 526626), (187, 433692), (198, 409598), (204, 397551), (231, 351084), (238, 340758), (252, 321827), (306, 265034), (308, 263313), (357, 227172), (374, 216846), (396, 204799), (462, 175542), (476, 170379), (561, 144564), (612, 132517), (693, 117028), (714, 113586), (748, 108423), (924, 87771), (1071, 75724), (1122, 72282), (1309, 61956), (1386, 58514), (1428, 56793), (1683, 48188), (1721, 47124), (2142, 37862), (2244, 36141), (2618, 30978), (2772, 29257), (3366, 24094), (3442, 23562), (3927, 20652), (4284, 18931), (5163, 15708), (5236, 15489), (6732, 12047), (6884, 11781), (7854, 10326)]