389968335

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{653}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 707638464

約数和(自身を除く): 317670129

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 577, 653, 1035, 1731, 1959, 2885, 3265, 5193, 5877, 8655, 9795, 13271, 15019, 25965, 29385, 39813, 45057, 66355, 75095, 119439, 135171, 199065, 225285, 376781, 597195, 675855, 1130343, 1883905, 3391029, 5651715, 8665963, 16955145, 25997889, 43329815, 77993667, 129989445, 389968335]

約数ペア:

[(1, 389968335), (3, 129989445), (5, 77993667), (9, 43329815), (15, 25997889), (23, 16955145), (45, 8665963), (69, 5651715), (115, 3391029), (207, 1883905), (345, 1130343), (577, 675855), (653, 597195), (1035, 376781), (1731, 225285), (1959, 199065), (2885, 135171), (3265, 119439), (5193, 75095), (5877, 66355), (8655, 45057), (9795, 39813), (13271, 29385), (15019, 25965)]