25383015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 51145536

約数和(自身を除く): 25762521

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 1321, 2135, 2745, 3843, 3963, 6405, 6605, 9247, 11889, 19215, 19815, 27741, 46235, 59445, 80581, 83223, 138705, 241743, 402905, 416115, 564067, 725229, 1208715, 1692201, 2820335, 3626145, 5076603, 8461005, 25383015]

約数ペア:

[(1, 25383015), (3, 8461005), (5, 5076603), (7, 3626145), (9, 2820335), (15, 1692201), (21, 1208715), (35, 725229), (45, 564067), (61, 416115), (63, 402905), (105, 241743), (183, 138705), (305, 83223), (315, 80581), (427, 59445), (549, 46235), (915, 27741), (1281, 19815), (1321, 19215), (2135, 11889), (2745, 9247), (3843, 6605), (3963, 6405)]