145217009

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 184023168

約数和(自身を除く): 38806159

約数列:

[1, 7, 17, 23, 119, 161, 289, 391, 2023, 2737, 3121, 6647, 21847, 46529, 53057, 71783, 371399, 502481, 901969, 1220311, 6313783, 8542177, 20745287, 145217009]

約数ペア:

[(1, 145217009), (7, 20745287), (17, 8542177), (23, 6313783), (119, 1220311), (161, 901969), (289, 502481), (391, 371399), (2023, 71783), (2737, 53057), (3121, 46529), (6647, 21847)]