87761961

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5043

約数の個数: 40

約数和(自身を含む): 154694144

約数和(自身を除く): 66932183

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 4993, 5859, 14979, 17577, 34951, 44937, 104853, 134811, 154783, 314559, 404433, 464349, 943677, 1083481, 1393047, 2831031, 3250443, 4179141, 9751329, 12537423, 29253987, 87761961]

約数ペア:

[(1, 87761961), (3, 29253987), (7, 12537423), (9, 9751329), (21, 4179141), (27, 3250443), (31, 2831031), (63, 1393047), (81, 1083481), (93, 943677), (189, 464349), (217, 404433), (279, 314559), (567, 154783), (651, 134811), (837, 104853), (1953, 44937), (2511, 34951), (4993, 17577), (5859, 14979)]