28880775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 64531584

約数和(自身を除く): 35650809

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1155, 1575, 1667, 1925, 2475, 3465, 5001, 5775, 8335, 11669, 15003, 17325, 18337, 25005, 35007, 41675, 55011, 58345, 75015, 91685, 105021, 125025, 128359, 165033, 175035, 275055, 291725, 375075, 385077, 458425, 525105, 641795, 825165, 875175, 1155231, 1375275, 1925385, 2625525, 3208975, 4125825, 5776155, 9626925, 28880775]

約数ペア:

[(1, 28880775), (3, 9626925), (5, 5776155), (7, 4125825), (9, 3208975), (11, 2625525), (15, 1925385), (21, 1375275), (25, 1155231), (33, 875175), (35, 825165), (45, 641795), (55, 525105), (63, 458425), (75, 385077), (77, 375075), (99, 291725), (105, 275055), (165, 175035), (175, 165033), (225, 128359), (231, 125025), (275, 105021), (315, 91685), (385, 75015), (495, 58345), (525, 55011), (693, 41675), (825, 35007), (1155, 25005), (1575, 18337), (1667, 17325), (1925, 15003), (2475, 11669), (3465, 8335), (5001, 5775)]