28526475

素因数分解:

$3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 47354112

約数和(自身を除く): 18827637

約数列:

[1, 3, 5, 15, 25, 75, 311, 933, 1223, 1555, 3669, 4665, 6115, 7775, 18345, 23325, 30575, 91725, 380353, 1141059, 1901765, 5705295, 9508825, 28526475]

約数ペア:

[(1, 28526475), (3, 9508825), (5, 5705295), (15, 1901765), (25, 1141059), (75, 380353), (311, 91725), (933, 30575), (1223, 23325), (1555, 18345), (3669, 7775), (4665, 6115)]