28059975

素因数分解:

$3^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:728

約数の個数: 36

約数和(自身を含む): 50545872

約数和(自身を除く): 22485897

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 311, 401, 933, 1203, 1555, 2005, 2799, 3609, 4665, 6015, 7775, 10025, 13995, 18045, 23325, 30075, 69975, 90225, 124711, 374133, 623555, 1122399, 1870665, 3117775, 5611995, 9353325, 28059975]

約数ペア:

[(1, 28059975), (3, 9353325), (5, 5611995), (9, 3117775), (15, 1870665), (25, 1122399), (45, 623555), (75, 374133), (225, 124711), (311, 90225), (401, 69975), (933, 30075), (1203, 23325), (1555, 18045), (2005, 13995), (2799, 10025), (3609, 7775), (4665, 6015)]