272488131

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{47381}}^1$

素因数の和:47464

約数の個数: 20

約数和(自身を含む): 412791984

約数和(自身を除く): 140303853

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 47381, 142143, 426429, 1279287, 3364051, 3837861, 10092153, 30276459, 90829377, 272488131]

約数ペア:

[(1, 272488131), (3, 90829377), (9, 30276459), (27, 10092153), (71, 3837861), (81, 3364051), (213, 1279287), (639, 426429), (1917, 142143), (5751, 47381)]