813888975

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{152843}}^1$

素因数の和:152927

約数の個数: 24

約数和(自身を含む): 1364591232

約数和(自身を除く): 550702257

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 152843, 458529, 764215, 2292645, 3821075, 10851853, 11463225, 32555559, 54259265, 162777795, 271296325, 813888975]

約数ペア:

[(1, 813888975), (3, 271296325), (5, 162777795), (15, 54259265), (25, 32555559), (71, 11463225), (75, 10851853), (213, 3821075), (355, 2292645), (1065, 764215), (1775, 458529), (5325, 152843)]