3784625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 5425056

約数和(自身を除く): 1640431

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 137, 221, 325, 425, 685, 1105, 1625, 1781, 2125, 2329, 3425, 5525, 8905, 11645, 17125, 27625, 30277, 44525, 58225, 151385, 222625, 291125, 756925, 3784625]

約数ペア:

[(1, 3784625), (5, 756925), (13, 291125), (17, 222625), (25, 151385), (65, 58225), (85, 44525), (125, 30277), (137, 27625), (221, 17125), (325, 11645), (425, 8905), (685, 5525), (1105, 3425), (1625, 2329), (1781, 2125)]