81573765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4597}}^1$

素因数の和:4638

約数の個数: 48

約数和(自身を含む): 161555328

約数和(自身を除く): 79981563

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1365, 2535, 3549, 4597, 5915, 13791, 17745, 22985, 32179, 59761, 68955, 96537, 160895, 179283, 298805, 418327, 482685, 776893, 896415, 1254981, 2091635, 2330679, 3884465, 5438251, 6274905, 11653395, 16314753, 27191255, 81573765]

約数ペア:

[(1, 81573765), (3, 27191255), (5, 16314753), (7, 11653395), (13, 6274905), (15, 5438251), (21, 3884465), (35, 2330679), (39, 2091635), (65, 1254981), (91, 896415), (105, 776893), (169, 482685), (195, 418327), (273, 298805), (455, 179283), (507, 160895), (845, 96537), (1183, 68955), (1365, 59761), (2535, 32179), (3549, 22985), (4597, 17745), (5915, 13791)]