331328475

素因数分解:

$3^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1402

約数の個数: 60

約数和(自身を含む): 618915000

約数和(自身を除く): 287586525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 131, 135, 225, 393, 405, 655, 675, 1179, 1249, 1965, 2025, 3275, 3537, 3747, 5895, 6245, 9825, 10611, 11241, 17685, 18735, 29475, 31225, 33723, 53055, 56205, 88425, 93675, 101169, 163619, 168615, 265275, 281025, 490857, 505845, 818095, 843075, 1472571, 2454285, 2529225, 4090475, 4417713, 7362855, 12271425, 13253139, 22088565, 36814275, 66265695, 110442825, 331328475]

約数ペア:

[(1, 331328475), (3, 110442825), (5, 66265695), (9, 36814275), (15, 22088565), (25, 13253139), (27, 12271425), (45, 7362855), (75, 4417713), (81, 4090475), (131, 2529225), (135, 2454285), (225, 1472571), (393, 843075), (405, 818095), (655, 505845), (675, 490857), (1179, 281025), (1249, 265275), (1965, 168615), (2025, 163619), (3275, 101169), (3537, 93675), (3747, 88425), (5895, 56205), (6245, 53055), (9825, 33723), (10611, 31225), (11241, 29475), (17685, 18735)]