28020375

素因数分解:

$3^2\times 5^3\times {\mathrm{24907}}^1$

素因数の和:24928

約数の個数: 24

約数和(自身を含む): 50513424

約数和(自身を除く): 22493049

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 24907, 74721, 124535, 224163, 373605, 622675, 1120815, 1868025, 3113375, 5604075, 9340125, 28020375]

約数ペア:

[(1, 28020375), (3, 9340125), (5, 5604075), (9, 3113375), (15, 1868025), (25, 1120815), (45, 622675), (75, 373605), (125, 224163), (225, 124535), (375, 74721), (1125, 24907)]