420123045

素因数分解:

$3^1\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{14827}}^1$

素因数の和:16724

約数の個数: 16

約数和(自身を含む): 672598080

約数和(自身を除く): 252475035

約数列:

[1, 3, 5, 15, 1889, 5667, 9445, 14827, 28335, 44481, 74135, 222405, 28008203, 84024609, 140041015, 420123045]

約数ペア:

[(1, 420123045), (3, 140041015), (5, 84024609), (15, 28008203), (1889, 222405), (5667, 74135), (9445, 44481), (14827, 28335)]