39987225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{7727}}^1$

素因数の和:7766

約数の個数: 36

約数和(自身を含む): 74745216

約数和(自身を除く): 34757991

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 7727, 23181, 38635, 69543, 115905, 177721, 193175, 347715, 533163, 579525, 888605, 1599489, 1738575, 2665815, 4443025, 7997445, 13329075, 39987225]

約数ペア:

[(1, 39987225), (3, 13329075), (5, 7997445), (9, 4443025), (15, 2665815), (23, 1738575), (25, 1599489), (45, 888605), (69, 579525), (75, 533163), (115, 347715), (207, 193175), (225, 177721), (345, 115905), (575, 69543), (1035, 38635), (1725, 23181), (5175, 7727)]