420417315

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{67213}}^1$

素因数の和:67363

約数の個数: 24

約数和(自身を含む): 733976880

約数和(自身を除く): 313559565

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 67213, 201639, 336065, 604917, 1008195, 3024585, 9342607, 28027821, 46713035, 84083463, 140139105, 420417315]

約数ペア:

[(1, 420417315), (3, 140139105), (5, 84083463), (9, 46713035), (15, 28027821), (45, 9342607), (139, 3024585), (417, 1008195), (695, 604917), (1251, 336065), (2085, 201639), (6255, 67213)]