161839197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2099}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 252252000

約数和(自身を除く): 90412803

約数列:

[1, 3, 9, 13, 39, 117, 659, 1977, 2099, 5931, 6297, 8567, 18891, 25701, 27287, 77103, 81861, 245583, 1383241, 4149723, 12449169, 17982133, 53946399, 161839197]

約数ペア:

[(1, 161839197), (3, 53946399), (9, 17982133), (13, 12449169), (39, 4149723), (117, 1383241), (659, 245583), (1977, 81861), (2099, 77103), (5931, 27287), (6297, 25701), (8567, 18891)]