15429625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 20925216

約数和(自身を除く): 5495591

約数列:

[1, 5, 17, 25, 53, 85, 125, 137, 265, 425, 685, 901, 1325, 2125, 2329, 3425, 4505, 6625, 7261, 11645, 17125, 22525, 36305, 58225, 112625, 123437, 181525, 291125, 617185, 907625, 3085925, 15429625]

約数ペア:

[(1, 15429625), (5, 3085925), (17, 907625), (25, 617185), (53, 291125), (85, 181525), (125, 123437), (137, 112625), (265, 58225), (425, 36305), (685, 22525), (901, 17125), (1325, 11645), (2125, 7261), (2329, 6625), (3425, 4505)]