39987975

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{3271}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 66539392

約数和(自身を除く): 26551417

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 3271, 4075, 9813, 12225, 16355, 49065, 81775, 245325, 533173, 1599519, 2665865, 7997595, 13329325, 39987975]

約数ペア:

[(1, 39987975), (3, 13329325), (5, 7997595), (15, 2665865), (25, 1599519), (75, 533173), (163, 245325), (489, 81775), (815, 49065), (2445, 16355), (3271, 12225), (4075, 9813)]