15515985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 26687232

約数和(自身を除く): 11171247

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 857, 1065, 1207, 2571, 3621, 4285, 6035, 12855, 14569, 18105, 43707, 60847, 72845, 182541, 218535, 304235, 912705, 1034399, 3103197, 5171995, 15515985]

約数ペア:

[(1, 15515985), (3, 5171995), (5, 3103197), (15, 1034399), (17, 912705), (51, 304235), (71, 218535), (85, 182541), (213, 72845), (255, 60847), (355, 43707), (857, 18105), (1065, 14569), (1207, 12855), (2571, 6035), (3621, 4285)]