15678907209

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1168411}}^1$

素因数の和:1168498

約数の個数: 32

約数和(自身を含む): 26920212480

約数和(自身を除く): 11241305271

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 1168411, 3505233, 8178877, 10515699, 24536631, 31547097, 73609893, 82957181, 220829679, 248871543, 580700267, 746614629, 1742100801, 2239843887, 5226302403, 15678907209]

約数ペア:

[(1, 15678907209), (3, 5226302403), (7, 2239843887), (9, 1742100801), (21, 746614629), (27, 580700267), (63, 248871543), (71, 220829679), (189, 82957181), (213, 73609893), (497, 31547097), (639, 24536631), (1491, 10515699), (1917, 8178877), (4473, 3505233), (13419, 1168411)]