253731975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21013}}^1$

素因数の和:21056

約数の個数: 48

約数和(自身を含む): 500301312

約数和(自身を除く): 246569337

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 2415, 4025, 12075, 21013, 63039, 105065, 147091, 315195, 441273, 483299, 525325, 735455, 1449897, 1575975, 2206365, 2416495, 3383093, 3677275, 7249485, 10149279, 11031825, 12082475, 16915465, 36247425, 50746395, 84577325, 253731975]

約数ペア:

[(1, 253731975), (3, 84577325), (5, 50746395), (7, 36247425), (15, 16915465), (21, 12082475), (23, 11031825), (25, 10149279), (35, 7249485), (69, 3677275), (75, 3383093), (105, 2416495), (115, 2206365), (161, 1575975), (175, 1449897), (345, 735455), (483, 525325), (525, 483299), (575, 441273), (805, 315195), (1725, 147091), (2415, 105065), (4025, 63039), (12075, 21013)]