71770131

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{21611}}^1$

素因数の和:21664

約数の個数: 20

約数和(自身を含む): 109832184

約数和(自身を除く): 38062053

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 21611, 64833, 194499, 583497, 886051, 1750491, 2658153, 7974459, 23923377, 71770131]

約数ペア:

[(1, 71770131), (3, 23923377), (9, 7974459), (27, 2658153), (41, 1750491), (81, 886051), (123, 583497), (369, 194499), (1107, 64833), (3321, 21611)]