420225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 749952

約数和(自身を除く): 329727

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 431, 975, 1293, 2155, 5603, 6465, 10775, 16809, 28015, 32325, 84045, 140075, 420225]

約数ペア:

[(1, 420225), (3, 140075), (5, 84045), (13, 32325), (15, 28015), (25, 16809), (39, 10775), (65, 6465), (75, 5603), (195, 2155), (325, 1293), (431, 975)]