668839353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79031}}^1$

素因数の和:79085

約数の個数: 32

約数和(自身を含む): 1133002752

約数和(自身を除く): 464163399

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 79031, 237093, 553217, 1027403, 1659651, 2449961, 3082209, 7191821, 7349883, 17149727, 21575463, 31849493, 51449181, 95548479, 222946451, 668839353]

約数ペア:

[(1, 668839353), (3, 222946451), (7, 95548479), (13, 51449181), (21, 31849493), (31, 21575463), (39, 17149727), (91, 7349883), (93, 7191821), (217, 3082209), (273, 2449961), (403, 1659651), (651, 1027403), (1209, 553217), (2821, 237093), (8463, 79031)]