284991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 446208

約数和(自身を除く): 161217

約数列:

[1, 3, 7, 21, 41, 123, 287, 331, 861, 993, 2317, 6951, 13571, 40713, 94997, 284991]

約数ペア:

[(1, 284991), (3, 94997), (7, 40713), (21, 13571), (41, 6951), (123, 2317), (287, 993), (331, 861)]