31106985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1753}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 61628544

約数和(自身を除く): 30521559

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1365, 1753, 2535, 3549, 5259, 5915, 8765, 12271, 17745, 22789, 26295, 36813, 61355, 68367, 113945, 159523, 184065, 296257, 341835, 478569, 797615, 888771, 1481285, 2073799, 2392845, 4443855, 6221397, 10368995, 31106985]

約数ペア:

[(1, 31106985), (3, 10368995), (5, 6221397), (7, 4443855), (13, 2392845), (15, 2073799), (21, 1481285), (35, 888771), (39, 797615), (65, 478569), (91, 341835), (105, 296257), (169, 184065), (195, 159523), (273, 113945), (455, 68367), (507, 61355), (845, 36813), (1183, 26295), (1365, 22789), (1753, 17745), (2535, 12271), (3549, 8765), (5259, 5915)]