128260419

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{19267}}^1$

素因数の和:19594

約数の個数: 16

約数和(自身を含む): 196071168

約数和(自身を除く): 67810749

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 19267, 57801, 134869, 404607, 6107639, 18322917, 42753473, 128260419]

約数ペア:

[(1, 128260419), (3, 42753473), (7, 18322917), (21, 6107639), (317, 404607), (951, 134869), (2219, 57801), (6657, 19267)]