64997235

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 121114224

約数和(自身を除く): 56116989

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 167, 279, 405, 465, 501, 835, 837, 961, 1395, 1503, 2505, 2511, 2883, 4185, 4509, 4805, 5177, 7515, 8649, 12555, 13527, 14415, 15531, 22545, 25885, 25947, 43245, 46593, 67635, 77655, 77841, 129735, 139779, 160487, 232965, 389205, 419337, 481461, 698895, 802435, 1444383, 2096685, 2407305, 4333149, 7221915, 12999447, 21665745, 64997235]

約数ペア:

[(1, 64997235), (3, 21665745), (5, 12999447), (9, 7221915), (15, 4333149), (27, 2407305), (31, 2096685), (45, 1444383), (81, 802435), (93, 698895), (135, 481461), (155, 419337), (167, 389205), (279, 232965), (405, 160487), (465, 139779), (501, 129735), (835, 77841), (837, 77655), (961, 67635), (1395, 46593), (1503, 43245), (2505, 25947), (2511, 25885), (2883, 22545), (4185, 15531), (4509, 14415), (4805, 13527), (5177, 12555), (7515, 8649)]