1289625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 2271360

約数和(自身を除く): 981735

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 181, 285, 375, 475, 543, 905, 1425, 2375, 2715, 3439, 4525, 7125, 10317, 13575, 17195, 22625, 51585, 67875, 85975, 257925, 429875, 1289625]

約数ペア:

[(1, 1289625), (3, 429875), (5, 257925), (15, 85975), (19, 67875), (25, 51585), (57, 22625), (75, 17195), (95, 13575), (125, 10317), (181, 7125), (285, 4525), (375, 3439), (475, 2715), (543, 2375), (905, 1425)]