61221591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2371}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 93741440

約数和(自身を除く): 32519849

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 1359, 2371, 2869, 7113, 8607, 21339, 25821, 45049, 135147, 358021, 405441, 1074063, 3222189, 6802399, 20407197, 61221591]

約数ペア:

[(1, 61221591), (3, 20407197), (9, 6802399), (19, 3222189), (57, 1074063), (151, 405441), (171, 358021), (453, 135147), (1359, 45049), (2371, 25821), (2869, 21339), (7113, 8607)]