668366145

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{108413}}^1$

素因数の和:108561

約数の個数: 24

約数和(自身を含む): 1166968296

約数和(自身を除く): 498602151

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 108413, 325239, 542065, 975717, 1626195, 4878585, 14852581, 44557743, 74262905, 133673229, 222788715, 668366145]

約数ペア:

[(1, 668366145), (3, 222788715), (5, 133673229), (9, 74262905), (15, 44557743), (45, 14852581), (137, 4878585), (411, 1626195), (685, 975717), (1233, 542065), (2055, 325239), (6165, 108413)]