129420909

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{10177}}^1$

素因数の和:10346

約数の個数: 20

約数和(自身を含む): 194583004

約数和(自身を除く): 65162095

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 10177, 12717, 30531, 91593, 274779, 824337, 1597789, 4793367, 14380101, 43140303, 129420909]

約数ペア:

[(1, 129420909), (3, 43140303), (9, 14380101), (27, 4793367), (81, 1597789), (157, 824337), (471, 274779), (1413, 91593), (4239, 30531), (10177, 12717)]