203438781

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2791}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 365863680

約数和(自身を除く): 162424899

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 117, 267, 273, 623, 801, 819, 1157, 1869, 2791, 3471, 5607, 8099, 8373, 10413, 19537, 24297, 25119, 36283, 58611, 72891, 108849, 175833, 248399, 253981, 326547, 745197, 761943, 1738793, 2235591, 2285829, 3229187, 5216379, 9687561, 15649137, 22604309, 29062683, 67812927, 203438781]

約数ペア:

[(1, 203438781), (3, 67812927), (7, 29062683), (9, 22604309), (13, 15649137), (21, 9687561), (39, 5216379), (63, 3229187), (89, 2285829), (91, 2235591), (117, 1738793), (267, 761943), (273, 745197), (623, 326547), (801, 253981), (819, 248399), (1157, 175833), (1869, 108849), (2791, 72891), (3471, 58611), (5607, 36283), (8099, 25119), (8373, 24297), (10413, 19537)]