25254585

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:635

約数の個数: 40

約数和(自身を含む): 45720576

約数和(自身を除く): 20465991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 405, 491, 635, 1143, 1473, 1905, 2455, 3429, 4419, 5715, 7365, 10287, 13257, 17145, 22095, 39771, 51435, 62357, 66285, 187071, 198855, 311785, 561213, 935355, 1683639, 2806065, 5050917, 8418195, 25254585]

約数ペア:

[(1, 25254585), (3, 8418195), (5, 5050917), (9, 2806065), (15, 1683639), (27, 935355), (45, 561213), (81, 311785), (127, 198855), (135, 187071), (381, 66285), (405, 62357), (491, 51435), (635, 39771), (1143, 22095), (1473, 17145), (1905, 13257), (2455, 10287), (3429, 7365), (4419, 5715)]