128418609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{18443}}^1$

素因数の和:18668

約数の個数: 16

約数和(自身を含む): 187686144

約数和(自身を除く): 59267535

約数列:

[1, 3, 11, 33, 211, 633, 2321, 6963, 18443, 55329, 202873, 608619, 3891473, 11674419, 42806203, 128418609]

約数ペア:

[(1, 128418609), (3, 42806203), (11, 11674419), (33, 3891473), (211, 608619), (633, 202873), (2321, 55329), (6963, 18443)]