420121725

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{105691}}^1$

素因数の和:105757

約数の個数: 24

約数和(自身を含む): 707713632

約数和(自身を除く): 287591907

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 105691, 317073, 528455, 1585365, 2642275, 5601623, 7926825, 16804869, 28008115, 84024345, 140040575, 420121725]

約数ペア:

[(1, 420121725), (3, 140040575), (5, 84024345), (15, 28008115), (25, 16804869), (53, 7926825), (75, 5601623), (159, 2642275), (265, 1585365), (795, 528455), (1325, 317073), (3975, 105691)]