2555777775

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{921001}}^1$

素因数の和:921051

約数の個数: 24

約数和(自身を含む): 4339761424

約数和(自身を除く): 1783983649

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 921001, 2763003, 4605005, 13815015, 23025025, 34077037, 69075075, 102231111, 170385185, 511155555, 851925925, 2555777775]

約数ペア:

[(1, 2555777775), (3, 851925925), (5, 511155555), (15, 170385185), (25, 102231111), (37, 69075075), (75, 34077037), (111, 23025025), (185, 13815015), (555, 4605005), (925, 2763003), (2775, 921001)]