68237505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 139806720

約数和(自身を除く): 71569215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 163, 189, 315, 443, 489, 815, 945, 1141, 1329, 1467, 2215, 2445, 3101, 3423, 3987, 4401, 5705, 6645, 7335, 9303, 10269, 11961, 15505, 17115, 19935, 22005, 27909, 30807, 46515, 51345, 59805, 72209, 83727, 139545, 154035, 216627, 361045, 418635, 505463, 649881, 1083135, 1516389, 1949643, 2527315, 3249405, 4549167, 7581945, 9748215, 13647501, 22745835, 68237505]

約数ペア:

[(1, 68237505), (3, 22745835), (5, 13647501), (7, 9748215), (9, 7581945), (15, 4549167), (21, 3249405), (27, 2527315), (35, 1949643), (45, 1516389), (63, 1083135), (105, 649881), (135, 505463), (163, 418635), (189, 361045), (315, 216627), (443, 154035), (489, 139545), (815, 83727), (945, 72209), (1141, 59805), (1329, 51345), (1467, 46515), (2215, 30807), (2445, 27909), (3101, 22005), (3423, 19935), (3987, 17115), (4401, 15505), (5705, 11961), (6645, 10269), (7335, 9303)]