215385445

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{577}}^1\times {\mathrm{617}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 285048792

約数和(自身を除く): 69663347

約数列:

[1, 5, 11, 55, 121, 577, 605, 617, 2885, 3085, 6347, 6787, 31735, 33935, 69817, 74657, 349085, 356009, 373285, 1780045, 3916099, 19580495, 43077089, 215385445]

約数ペア:

[(1, 215385445), (5, 43077089), (11, 19580495), (55, 3916099), (121, 1780045), (577, 373285), (605, 356009), (617, 349085), (2885, 74657), (3085, 69817), (6347, 33935), (6787, 31735)]