15306571

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 19247760

約数和(自身を除く): 3941189

約数列:

[1, 7, 19, 41, 49, 133, 287, 401, 779, 931, 2009, 2807, 5453, 7619, 16441, 19649, 38171, 53333, 115087, 312379, 373331, 805609, 2186653, 15306571]

約数ペア:

[(1, 15306571), (7, 2186653), (19, 805609), (41, 373331), (49, 312379), (133, 115087), (287, 53333), (401, 38171), (779, 19649), (931, 16441), (2009, 7619), (2807, 5453)]