11915771

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 14747040

約数和(自身を除く): 2831269

約数列:

[1, 7, 23, 49, 97, 109, 161, 679, 763, 1127, 2231, 2507, 4753, 5341, 10573, 15617, 17549, 74011, 109319, 122843, 243179, 518077, 1702253, 11915771]

約数ペア:

[(1, 11915771), (7, 1702253), (23, 518077), (49, 243179), (97, 122843), (109, 109319), (161, 74011), (679, 17549), (763, 15617), (1127, 10573), (2231, 5341), (2507, 4753)]