15000205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 21212928

約数和(自身を除く): 6212723

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 263, 305, 671, 935, 1037, 1315, 2893, 3355, 4471, 5185, 11407, 14465, 16043, 22355, 49181, 57035, 80215, 176473, 245905, 272731, 882365, 1363655, 3000041, 15000205]

約数ペア:

[(1, 15000205), (5, 3000041), (11, 1363655), (17, 882365), (55, 272731), (61, 245905), (85, 176473), (187, 80215), (263, 57035), (305, 49181), (671, 22355), (935, 16043), (1037, 14465), (1315, 11407), (2893, 5185), (3355, 4471)]