38801997

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 63842688

約数和(自身を除く): 25040691

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 173, 213, 243, 351, 519, 639, 923, 1053, 1557, 1917, 2249, 2769, 3159, 4671, 5751, 6747, 8307, 12283, 14013, 17253, 20241, 24921, 36849, 42039, 60723, 74763, 110547, 159679, 182169, 224289, 331641, 479037, 546507, 994923, 1437111, 2984769, 4311333, 12933999, 38801997]

約数ペア:

[(1, 38801997), (3, 12933999), (9, 4311333), (13, 2984769), (27, 1437111), (39, 994923), (71, 546507), (81, 479037), (117, 331641), (173, 224289), (213, 182169), (243, 159679), (351, 110547), (519, 74763), (639, 60723), (923, 42039), (1053, 36849), (1557, 24921), (1917, 20241), (2249, 17253), (2769, 14013), (3159, 12283), (4671, 8307), (5751, 6747)]