28070625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1395

約数の個数: 40

約数和(自身を含む): 51058656

約数和(自身を除く): 22988031

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 1361, 1375, 1875, 4083, 4125, 6805, 6875, 14971, 20415, 20625, 34025, 44913, 74855, 102075, 170125, 224565, 374275, 510375, 850625, 1122825, 1871375, 2551875, 5614125, 9356875, 28070625]

約数ペア:

[(1, 28070625), (3, 9356875), (5, 5614125), (11, 2551875), (15, 1871375), (25, 1122825), (33, 850625), (55, 510375), (75, 374275), (125, 224565), (165, 170125), (275, 102075), (375, 74855), (625, 44913), (825, 34025), (1361, 20625), (1375, 20415), (1875, 14971), (4083, 6875), (4125, 6805)]