27991725

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9103}}^1$

素因数の和:9157

約数の個数: 24

約数和(自身を含む): 47413632

約数和(自身を除く): 19421907

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9103, 27309, 45515, 136545, 227575, 373223, 682725, 1119669, 1866115, 5598345, 9330575, 27991725]

約数ペア:

[(1, 27991725), (3, 9330575), (5, 5598345), (15, 1866115), (25, 1119669), (41, 682725), (75, 373223), (123, 227575), (205, 136545), (615, 45515), (1025, 27309), (3075, 9103)]