161728209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{30509}}^1$

素因数の和:30565

約数の個数: 24

約数和(自身を含む): 253843200

約数和(自身を除く): 92114991

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 30509, 91527, 274581, 579671, 945779, 1739013, 2837337, 5217039, 8512011, 17969801, 53909403, 161728209]

約数ペア:

[(1, 161728209), (3, 53909403), (9, 17969801), (19, 8512011), (31, 5217039), (57, 2837337), (93, 1739013), (171, 945779), (279, 579671), (589, 274581), (1767, 91527), (5301, 30509)]