28664625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6949}}^1$

素因数の和:6978

約数の個数: 32

約数和(自身を含む): 52041600

約数和(自身を除く): 23376975

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 6949, 20847, 34745, 76439, 104235, 173725, 229317, 382195, 521175, 868625, 1146585, 1910975, 2605875, 5732925, 9554875, 28664625]

約数ペア:

[(1, 28664625), (3, 9554875), (5, 5732925), (11, 2605875), (15, 1910975), (25, 1146585), (33, 868625), (55, 521175), (75, 382195), (125, 229317), (165, 173725), (275, 104235), (375, 76439), (825, 34745), (1375, 20847), (4125, 6949)]