1661529915

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 3099206880

約数和(自身を除く): 1437676965

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 241, 261, 405, 435, 587, 723, 783, 1205, 1305, 1761, 2169, 2349, 2935, 3615, 3915, 5283, 6507, 6989, 8805, 10845, 11745, 15849, 17023, 19521, 20967, 26415, 32535, 34945, 47547, 51069, 62901, 79245, 85115, 97605, 104835, 141467, 153207, 188703, 237735, 255345, 314505, 424401, 459621, 566109, 707335, 766035, 943515, 1273203, 1378863, 2122005, 2298105, 2830545, 3819609, 4102543, 6366015, 6894315, 11458827, 12307629, 19098045, 20512715, 36922887, 57294135, 61538145, 110768661, 184614435, 332305983, 553843305, 1661529915]

約数ペア:

[(1, 1661529915), (3, 553843305), (5, 332305983), (9, 184614435), (15, 110768661), (27, 61538145), (29, 57294135), (45, 36922887), (81, 20512715), (87, 19098045), (135, 12307629), (145, 11458827), (241, 6894315), (261, 6366015), (405, 4102543), (435, 3819609), (587, 2830545), (723, 2298105), (783, 2122005), (1205, 1378863), (1305, 1273203), (1761, 943515), (2169, 766035), (2349, 707335), (2935, 566109), (3615, 459621), (3915, 424401), (5283, 314505), (6507, 255345), (6989, 237735), (8805, 188703), (10845, 153207), (11745, 141467), (15849, 104835), (17023, 97605), (19521, 85115), (20967, 79245), (26415, 62901), (32535, 51069), (34945, 47547)]