2505825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 5390528

約数和(自身を除く): 2884703

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 43, 45, 63, 75, 105, 111, 129, 175, 185, 215, 225, 259, 301, 315, 333, 387, 525, 555, 645, 777, 903, 925, 1075, 1295, 1505, 1575, 1591, 1665, 1935, 2331, 2709, 2775, 3225, 3885, 4515, 4773, 6475, 7525, 7955, 8325, 9675, 11137, 11655, 13545, 14319, 19425, 22575, 23865, 33411, 39775, 55685, 58275, 67725, 71595, 100233, 119325, 167055, 278425, 357975, 501165, 835275, 2505825]

約数ペア:

[(1, 2505825), (3, 835275), (5, 501165), (7, 357975), (9, 278425), (15, 167055), (21, 119325), (25, 100233), (35, 71595), (37, 67725), (43, 58275), (45, 55685), (63, 39775), (75, 33411), (105, 23865), (111, 22575), (129, 19425), (175, 14319), (185, 13545), (215, 11655), (225, 11137), (259, 9675), (301, 8325), (315, 7955), (333, 7525), (387, 6475), (525, 4773), (555, 4515), (645, 3885), (777, 3225), (903, 2775), (925, 2709), (1075, 2331), (1295, 1935), (1505, 1665), (1575, 1591)]