128355843

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79379}}^1$

素因数の和:79407

約数の個数: 24

約数和(自身を含む): 217183680

約数和(自身を除く): 88827837

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 79379, 238137, 555653, 873169, 1666959, 2619507, 3889571, 6112183, 11668713, 18336549, 42785281, 128355843]

約数ペア:

[(1, 128355843), (3, 42785281), (7, 18336549), (11, 11668713), (21, 6112183), (33, 3889571), (49, 2619507), (77, 1666959), (147, 873169), (231, 555653), (539, 238137), (1617, 79379)]