31129308

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{2521}}^1$

素因数の和:2552

約数の個数: 72

約数和(自身を含む): 91800800

約数和(自身を除く): 60671492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2521, 3087, 4116, 5042, 6174, 7563, 10084, 12348, 15126, 17647, 22689, 30252, 35294, 45378, 52941, 70588, 90756, 105882, 123529, 158823, 211764, 247058, 317646, 370587, 494116, 635292, 741174, 864703, 1111761, 1482348, 1729406, 2223522, 2594109, 3458812, 4447044, 5188218, 7782327, 10376436, 15564654, 31129308]

約数ペア:

[(1, 31129308), (2, 15564654), (3, 10376436), (4, 7782327), (6, 5188218), (7, 4447044), (9, 3458812), (12, 2594109), (14, 2223522), (18, 1729406), (21, 1482348), (28, 1111761), (36, 864703), (42, 741174), (49, 635292), (63, 494116), (84, 370587), (98, 317646), (126, 247058), (147, 211764), (196, 158823), (252, 123529), (294, 105882), (343, 90756), (441, 70588), (588, 52941), (686, 45378), (882, 35294), (1029, 30252), (1372, 22689), (1764, 17647), (2058, 15126), (2521, 12348), (3087, 10084), (4116, 7563), (5042, 6174)]