38428725

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1669}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 63780640

約数和(自身を除く): 25351915

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 1535, 1669, 4605, 5007, 7675, 8345, 23025, 25035, 41725, 125175, 512383, 1537149, 2561915, 7685745, 12809575, 38428725]

約数ペア:

[(1, 38428725), (3, 12809575), (5, 7685745), (15, 2561915), (25, 1537149), (75, 512383), (307, 125175), (921, 41725), (1535, 25035), (1669, 23025), (4605, 8345), (5007, 7675)]