15661087569

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1271089}}^1$

素因数の和:1271169

約数の個数: 18

約数和(自身を含む): 23249507190

約数和(自身を除く): 7588419621

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 12321, 1271089, 3813267, 11439801, 47030293, 141090879, 423272637, 1740120841, 5220362523, 15661087569]

約数ペア:

[(1, 15661087569), (3, 5220362523), (9, 1740120841), (37, 423272637), (111, 141090879), (333, 47030293), (1369, 11439801), (4107, 3813267), (12321, 1271089)]