121216011

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 190130688

約数和(自身を除く): 68914677

約数列:

[1, 3, 7, 21, 43, 129, 241, 301, 557, 723, 903, 1671, 1687, 3899, 5061, 10363, 11697, 23951, 31089, 71853, 72541, 134237, 167657, 217623, 402711, 502971, 939659, 2818977, 5772191, 17316573, 40405337, 121216011]

約数ペア:

[(1, 121216011), (3, 40405337), (7, 17316573), (21, 5772191), (43, 2818977), (129, 939659), (241, 502971), (301, 402711), (557, 217623), (723, 167657), (903, 134237), (1671, 72541), (1687, 71853), (3899, 31089), (5061, 23951), (10363, 11697)]