2111925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 3615840

約数和(自身を除く): 1503915

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 971, 2175, 2913, 4855, 14565, 24275, 28159, 72825, 84477, 140795, 422385, 703975, 2111925]

約数ペア:

[(1, 2111925), (3, 703975), (5, 422385), (15, 140795), (25, 84477), (29, 72825), (75, 28159), (87, 24275), (145, 14565), (435, 4855), (725, 2913), (971, 2175)]