171420821

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9953

約数の個数: 16

約数和(自身を含む): 203074368

約数和(自身を除く): 31653547

約数列:

[1, 11, 13, 121, 143, 1331, 1573, 9907, 17303, 108977, 128791, 1198747, 1416701, 13186217, 15583711, 171420821]

約数ペア:

[(1, 171420821), (11, 15583711), (13, 13186217), (121, 1416701), (143, 1198747), (1331, 128791), (1573, 108977), (9907, 17303)]