215681679

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{5113}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 321772880

約数和(自身を除く): 106091201

約数列:

[1, 3, 9, 43, 109, 129, 327, 387, 981, 4687, 5113, 14061, 15339, 42183, 46017, 219859, 557317, 659577, 1671951, 1978731, 5015853, 23964631, 71893893, 215681679]

約数ペア:

[(1, 215681679), (3, 71893893), (9, 23964631), (43, 5015853), (109, 1978731), (129, 1671951), (327, 659577), (387, 557317), (981, 219859), (4687, 46017), (5113, 42183), (14061, 15339)]