12172761

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2243}}^1$

素因数の和:2322

約数の個数: 20

約数和(自身を含む): 18463632

約数和(自身を除く): 6290871

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2243, 5427, 6729, 20187, 60561, 150281, 181683, 450843, 1352529, 4057587, 12172761]

約数ペア:

[(1, 12172761), (3, 4057587), (9, 1352529), (27, 450843), (67, 181683), (81, 150281), (201, 60561), (603, 20187), (1809, 6729), (2243, 5427)]