2638425

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 4412416

約数和(自身を除く): 1773991

約数列:

[1, 3, 5, 15, 25, 75, 127, 277, 381, 635, 831, 1385, 1905, 3175, 4155, 6925, 9525, 20775, 35179, 105537, 175895, 527685, 879475, 2638425]

約数ペア:

[(1, 2638425), (3, 879475), (5, 527685), (15, 175895), (25, 105537), (75, 35179), (127, 20775), (277, 9525), (381, 6925), (635, 4155), (831, 3175), (1385, 1905)]