7900725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 15177600

約数和(自身を除く): 7276875

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 101, 105, 149, 175, 303, 447, 505, 525, 707, 745, 1043, 1515, 2121, 2235, 2525, 3129, 3535, 3725, 5215, 7575, 10605, 11175, 15049, 15645, 17675, 26075, 45147, 53025, 75245, 78225, 105343, 225735, 316029, 376225, 526715, 1128675, 1580145, 2633575, 7900725]

約数ペア:

[(1, 7900725), (3, 2633575), (5, 1580145), (7, 1128675), (15, 526715), (21, 376225), (25, 316029), (35, 225735), (75, 105343), (101, 78225), (105, 75245), (149, 53025), (175, 45147), (303, 26075), (447, 17675), (505, 15645), (525, 15049), (707, 11175), (745, 10605), (1043, 7575), (1515, 5215), (2121, 3725), (2235, 3535), (2525, 3129)]