15513855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 28781568

約数和(自身を除く): 13267713

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2081, 2485, 6243, 7455, 10405, 14567, 31215, 43701, 72835, 147751, 218505, 443253, 738755, 1034257, 2216265, 3102771, 5171285, 15513855]

約数ペア:

[(1, 15513855), (3, 5171285), (5, 3102771), (7, 2216265), (15, 1034257), (21, 738755), (35, 443253), (71, 218505), (105, 147751), (213, 72835), (355, 43701), (497, 31215), (1065, 14567), (1491, 10405), (2081, 7455), (2485, 6243)]