131193891

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3904

約数の個数: 32

約数和(自身を含む): 205578240

約数和(自身を除く): 74384349

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 837, 1107, 1271, 3813, 3823, 11439, 11469, 34317, 34407, 103221, 118513, 156743, 355539, 470229, 1066617, 1410687, 3199851, 4232061, 4859033, 14577099, 43731297, 131193891]

約数ペア:

[(1, 131193891), (3, 43731297), (9, 14577099), (27, 4859033), (31, 4232061), (41, 3199851), (93, 1410687), (123, 1066617), (279, 470229), (369, 355539), (837, 156743), (1107, 118513), (1271, 103221), (3813, 34407), (3823, 34317), (11439, 11469)]