2161107

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1387053

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 131, 141, 351, 393, 423, 611, 1179, 1269, 1703, 1833, 3537, 5109, 5499, 6157, 15327, 16497, 18471, 45981, 55413, 80041, 166239, 240123, 720369, 2161107]

約数ペア:

[(1, 2161107), (3, 720369), (9, 240123), (13, 166239), (27, 80041), (39, 55413), (47, 45981), (117, 18471), (131, 16497), (141, 15327), (351, 6157), (393, 5499), (423, 5109), (611, 3537), (1179, 1833), (1269, 1703)]