521302275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{178223}}^1$

素因数の和:178252

約数の個数: 36

約数和(自身を含む): 1005539808

約数和(自身を除く): 484237533

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 178223, 534669, 891115, 1604007, 2316899, 2673345, 4455575, 6950697, 8020035, 11584495, 13366725, 20852091, 34753485, 40100175, 57922475, 104260455, 173767425, 521302275]

約数ペア:

[(1, 521302275), (3, 173767425), (5, 104260455), (9, 57922475), (13, 40100175), (15, 34753485), (25, 20852091), (39, 13366725), (45, 11584495), (65, 8020035), (75, 6950697), (117, 4455575), (195, 2673345), (225, 2316899), (325, 1604007), (585, 891115), (975, 534669), (2925, 178223)]