394897665

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1\times {\mathrm{641}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 643314816

約数和(自身を除く): 248417151

約数列:

[1, 3, 5, 15, 67, 201, 335, 613, 641, 1005, 1839, 1923, 3065, 3205, 9195, 9615, 41071, 42947, 123213, 128841, 205355, 214735, 392933, 616065, 644205, 1178799, 1964665, 5893995, 26326511, 78979533, 131632555, 394897665]

約数ペア:

[(1, 394897665), (3, 131632555), (5, 78979533), (15, 26326511), (67, 5893995), (201, 1964665), (335, 1178799), (613, 644205), (641, 616065), (1005, 392933), (1839, 214735), (1923, 205355), (3065, 128841), (3205, 123213), (9195, 42947), (9615, 41071)]