17649393

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 7897359

約数列:

[1, 3, 41, 43, 47, 71, 123, 129, 141, 213, 1763, 1927, 2021, 2911, 3053, 3337, 5289, 5781, 6063, 8733, 9159, 10011, 82861, 125173, 136817, 143491, 248583, 375519, 410451, 430473, 5883131, 17649393]

約数ペア:

[(1, 17649393), (3, 5883131), (41, 430473), (43, 410451), (47, 375519), (71, 248583), (123, 143491), (129, 136817), (141, 125173), (213, 82861), (1763, 10011), (1927, 9159), (2021, 8733), (2911, 6063), (3053, 5781), (3337, 5289)]