28628325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 28823355

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 269, 275, 387, 473, 495, 645, 807, 825, 1075, 1345, 1419, 1935, 2365, 2421, 2475, 2959, 3225, 4035, 4257, 6725, 7095, 8877, 9675, 11567, 11825, 12105, 14795, 20175, 21285, 26631, 34701, 35475, 44385, 57835, 60525, 73975, 104103, 106425, 127237, 133155, 173505, 221925, 289175, 381711, 520515, 636185, 665775, 867525, 1145133, 1908555, 2602575, 3180925, 5725665, 9542775, 28628325]

約数ペア:

[(1, 28628325), (3, 9542775), (5, 5725665), (9, 3180925), (11, 2602575), (15, 1908555), (25, 1145133), (33, 867525), (43, 665775), (45, 636185), (55, 520515), (75, 381711), (99, 289175), (129, 221925), (165, 173505), (215, 133155), (225, 127237), (269, 106425), (275, 104103), (387, 73975), (473, 60525), (495, 57835), (645, 44385), (807, 35475), (825, 34701), (1075, 26631), (1345, 21285), (1419, 20175), (1935, 14795), (2365, 12105), (2421, 11825), (2475, 11567), (2959, 9675), (3225, 8877), (4035, 7095), (4257, 6725)]