145005849

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{3923}}^1$

素因数の和:4006

約数の個数: 24

約数和(自身を含む): 220842720

約数和(自身を除く): 75836871

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1369, 3923, 4107, 11769, 12321, 35307, 36963, 105921, 145151, 435453, 1306359, 3919077, 5370587, 16111761, 48335283, 145005849]

約数ペア:

[(1, 145005849), (3, 48335283), (9, 16111761), (27, 5370587), (37, 3919077), (111, 1306359), (333, 435453), (999, 145151), (1369, 105921), (3923, 36963), (4107, 35307), (11769, 12321)]