1272211839

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{334177}}^1$

素因数の和:334236

約数の個数: 20

約数和(自身を含む): 1940905824

約数和(自身を除く): 668693985

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 334177, 1002531, 3007593, 9022779, 15706319, 27068337, 47118957, 141356871, 424070613, 1272211839]

約数ペア:

[(1, 1272211839), (3, 424070613), (9, 141356871), (27, 47118957), (47, 27068337), (81, 15706319), (141, 9022779), (423, 3007593), (1269, 1002531), (3807, 334177)]