289383405

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{138793}}^1$

素因数の和:138940

約数の個数: 16

約数和(自身を含む): 466347840

約数和(自身を除く): 176964435

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 138793, 416379, 693965, 2081895, 19292227, 57876681, 96461135, 289383405]

約数ペア:

[(1, 289383405), (3, 96461135), (5, 57876681), (15, 19292227), (139, 2081895), (417, 693965), (695, 416379), (2085, 138793)]