289495437

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{33871}}^1$

素因数の和:33929

約数の個数: 32

約数和(自身を含む): 494260224

約数和(自身を除く): 204764787

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 33871, 101613, 237097, 372581, 711291, 1117743, 1253227, 2608067, 3759681, 7824201, 8772589, 13785497, 26317767, 41356491, 96498479, 289495437]

約数ペア:

[(1, 289495437), (3, 96498479), (7, 41356491), (11, 26317767), (21, 13785497), (33, 8772589), (37, 7824201), (77, 3759681), (111, 2608067), (231, 1253227), (259, 1117743), (407, 711291), (777, 372581), (1221, 237097), (2849, 101613), (8547, 33871)]