1371305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 1908312

約数和(自身を除く): 537007

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 289, 365, 949, 1105, 1241, 1445, 3757, 4745, 6205, 16133, 18785, 21097, 80665, 105485, 274261, 1371305]

約数ペア:

[(1, 1371305), (5, 274261), (13, 105485), (17, 80665), (65, 21097), (73, 18785), (85, 16133), (221, 6205), (289, 4745), (365, 3757), (949, 1445), (1105, 1241)]