28612875

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 32

約数和(自身を含む): 48799296

約数和(自身を除く): 20186421

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 1025, 1861, 3075, 5125, 5583, 9305, 15375, 27915, 46525, 76301, 139575, 228903, 232625, 381505, 697875, 1144515, 1907525, 5722575, 9537625, 28612875]

約数ペア:

[(1, 28612875), (3, 9537625), (5, 5722575), (15, 1907525), (25, 1144515), (41, 697875), (75, 381505), (123, 232625), (125, 228903), (205, 139575), (375, 76301), (615, 46525), (1025, 27915), (1861, 15375), (3075, 9305), (5125, 5583)]