81251209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 90123264

約数和(自身を除く): 8872055

約数列:

[1, 13, 43, 191, 559, 761, 2483, 8213, 9893, 32723, 106769, 145351, 425399, 1889563, 6250093, 81251209]

約数ペア:

[(1, 81251209), (13, 6250093), (43, 1889563), (191, 425399), (559, 145351), (761, 106769), (2483, 32723), (8213, 9893)]