72041221

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 88482240

約数和(自身を除く): 16441019

約数列:

[1, 7, 23, 49, 97, 161, 659, 679, 1127, 2231, 4613, 4753, 15157, 15617, 32291, 63923, 106099, 109319, 447461, 742693, 1470229, 3132227, 10291603, 72041221]

約数ペア:

[(1, 72041221), (7, 10291603), (23, 3132227), (49, 1470229), (97, 742693), (161, 447461), (659, 109319), (679, 106099), (1127, 63923), (2231, 32291), (4613, 15617), (4753, 15157)]