28565625

素因数分解:

$3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 52121664

約数和(自身を除く): 23556039

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 277, 375, 625, 825, 831, 1375, 1385, 1875, 3047, 3125, 4125, 4155, 6875, 6925, 9141, 9375, 15235, 20625, 20775, 34375, 34625, 45705, 76175, 103125, 103875, 173125, 228525, 380875, 519375, 865625, 1142625, 1904375, 2596875, 5713125, 9521875, 28565625]

約数ペア:

[(1, 28565625), (3, 9521875), (5, 5713125), (11, 2596875), (15, 1904375), (25, 1142625), (33, 865625), (55, 519375), (75, 380875), (125, 228525), (165, 173125), (275, 103875), (277, 103125), (375, 76175), (625, 45705), (825, 34625), (831, 34375), (1375, 20775), (1385, 20625), (1875, 15235), (3047, 9375), (3125, 9141), (4125, 6925), (4155, 6875)]