18416997

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 10705563

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 631, 1081, 1269, 1893, 3243, 5679, 9729, 14513, 17037, 29187, 29657, 43539, 88971, 130617, 266913, 391851, 682111, 800739, 2046333, 6138999, 18416997]

約数ペア:

[(1, 18416997), (3, 6138999), (9, 2046333), (23, 800739), (27, 682111), (47, 391851), (69, 266913), (141, 130617), (207, 88971), (423, 43539), (621, 29657), (631, 29187), (1081, 17037), (1269, 14513), (1893, 9729), (3243, 5679)]