205458195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{3023}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 344881152

約数和(自身を除く): 139422957

約数列:

[1, 3, 5, 15, 23, 69, 115, 197, 345, 591, 985, 2955, 3023, 4531, 9069, 13593, 15115, 22655, 45345, 67965, 69529, 208587, 347645, 595531, 1042935, 1786593, 2977655, 8932965, 13697213, 41091639, 68486065, 205458195]

約数ペア:

[(1, 205458195), (3, 68486065), (5, 41091639), (15, 13697213), (23, 8932965), (69, 2977655), (115, 1786593), (197, 1042935), (345, 595531), (591, 347645), (985, 208587), (2955, 69529), (3023, 67965), (4531, 45345), (9069, 22655), (13593, 15115)]