66813525

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 72

約数和(自身を含む): 128057280

約数和(自身を除く): 61243755

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 103, 135, 155, 225, 279, 309, 465, 515, 675, 775, 837, 927, 961, 1395, 1545, 2325, 2575, 2781, 2883, 3193, 4185, 4635, 4805, 6975, 7725, 8649, 9579, 13905, 14415, 15965, 20925, 23175, 24025, 25947, 28737, 43245, 47895, 69525, 72075, 79825, 86211, 98983, 129735, 143685, 216225, 239475, 296949, 431055, 494915, 648675, 718425, 890847, 1484745, 2155275, 2474575, 2672541, 4454235, 7423725, 13362705, 22271175, 66813525]

約数ペア:

[(1, 66813525), (3, 22271175), (5, 13362705), (9, 7423725), (15, 4454235), (25, 2672541), (27, 2474575), (31, 2155275), (45, 1484745), (75, 890847), (93, 718425), (103, 648675), (135, 494915), (155, 431055), (225, 296949), (279, 239475), (309, 216225), (465, 143685), (515, 129735), (675, 98983), (775, 86211), (837, 79825), (927, 72075), (961, 69525), (1395, 47895), (1545, 43245), (2325, 28737), (2575, 25947), (2781, 24025), (2883, 23175), (3193, 20925), (4185, 15965), (4635, 14415), (4805, 13905), (6975, 9579), (7725, 8649)]