87811983

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4211}}^1$

素因数の和:4555

約数の個数: 24

約数和(自身を含む): 145431936

約数和(自身を除く): 57619953

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 4211, 6951, 12633, 20853, 29477, 37899, 88431, 265293, 1393841, 4181523, 9756887, 12544569, 29270661, 87811983]

約数ペア:

[(1, 87811983), (3, 29270661), (7, 12544569), (9, 9756887), (21, 4181523), (63, 1393841), (331, 265293), (993, 88431), (2317, 37899), (2979, 29477), (4211, 20853), (6951, 12633)]