201231615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 359783424

約数和(自身を除く): 158551809

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 103, 129, 195, 215, 233, 309, 515, 559, 645, 699, 1165, 1339, 1545, 1677, 2795, 3029, 3495, 4017, 4429, 6695, 8385, 9087, 10019, 13287, 15145, 20085, 22145, 23999, 30057, 45435, 50095, 57577, 66435, 71997, 119995, 130247, 150285, 172731, 287885, 311987, 359985, 390741, 651235, 863655, 935961, 1031957, 1559935, 1953705, 3095871, 4679805, 5159785, 13415441, 15479355, 40246323, 67077205, 201231615]

約数ペア:

[(1, 201231615), (3, 67077205), (5, 40246323), (13, 15479355), (15, 13415441), (39, 5159785), (43, 4679805), (65, 3095871), (103, 1953705), (129, 1559935), (195, 1031957), (215, 935961), (233, 863655), (309, 651235), (515, 390741), (559, 359985), (645, 311987), (699, 287885), (1165, 172731), (1339, 150285), (1545, 130247), (1677, 119995), (2795, 71997), (3029, 66435), (3495, 57577), (4017, 50095), (4429, 45435), (6695, 30057), (8385, 23999), (9087, 22145), (10019, 20085), (13287, 15145)]