215277425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1447}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 291951552

約数和(自身を除く): 76674127

約数列:

[1, 5, 11, 25, 55, 275, 541, 1447, 2705, 5951, 7235, 13525, 15917, 29755, 36175, 79585, 148775, 397925, 782827, 3914135, 8611097, 19570675, 43055485, 215277425]

約数ペア:

[(1, 215277425), (5, 43055485), (11, 19570675), (25, 8611097), (55, 3914135), (275, 782827), (541, 397925), (1447, 148775), (2705, 79585), (5951, 36175), (7235, 29755), (13525, 15917)]