30721875

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 22712205

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 113, 125, 145, 339, 375, 435, 565, 625, 725, 1695, 1875, 2175, 2825, 3125, 3277, 3625, 8475, 9375, 9831, 10875, 14125, 16385, 18125, 42375, 49155, 54375, 70625, 81925, 90625, 211875, 245775, 271875, 353125, 409625, 1059375, 1228875, 2048125, 6144375, 10240625, 30721875]

約数ペア:

[(1, 30721875), (3, 10240625), (5, 6144375), (15, 2048125), (25, 1228875), (29, 1059375), (75, 409625), (87, 353125), (113, 271875), (125, 245775), (145, 211875), (339, 90625), (375, 81925), (435, 70625), (565, 54375), (625, 49155), (725, 42375), (1695, 18125), (1875, 16385), (2175, 14125), (2825, 10875), (3125, 9831), (3277, 9375), (3625, 8475)]