25999155

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 56517552

約数和(自身を除く): 30518397

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 907, 1365, 1911, 2205, 2721, 3185, 4095, 4535, 5733, 6349, 8163, 9555, 11791, 13605, 19047, 28665, 31745, 35373, 40815, 44443, 57141, 58955, 82537, 95235, 106119, 133329, 176865, 222215, 247611, 285705, 399987, 412685, 530595, 577759, 666645, 742833, 1238055, 1733277, 1999935, 2888795, 3714165, 5199831, 8666385, 25999155]

約数ペア:

[(1, 25999155), (3, 8666385), (5, 5199831), (7, 3714165), (9, 2888795), (13, 1999935), (15, 1733277), (21, 1238055), (35, 742833), (39, 666645), (45, 577759), (49, 530595), (63, 412685), (65, 399987), (91, 285705), (105, 247611), (117, 222215), (147, 176865), (195, 133329), (245, 106119), (273, 95235), (315, 82537), (441, 58955), (455, 57141), (585, 44443), (637, 40815), (735, 35373), (819, 31745), (907, 28665), (1365, 19047), (1911, 13605), (2205, 11791), (2721, 9555), (3185, 8163), (4095, 6349), (4535, 5733)]