399971523

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{4111}}^1$

素因数の和:4275

約数の個数: 32

約数和(自身を含む): 630024192

約数和(自身を除く): 230052669

約数列:

[1, 3, 7, 21, 41, 113, 123, 287, 339, 791, 861, 2373, 4111, 4633, 12333, 13899, 28777, 32431, 86331, 97293, 168551, 464543, 505653, 1179857, 1393629, 3251801, 3539571, 9755403, 19046263, 57138789, 133323841, 399971523]

約数ペア:

[(1, 399971523), (3, 133323841), (7, 57138789), (21, 19046263), (41, 9755403), (113, 3539571), (123, 3251801), (287, 1393629), (339, 1179857), (791, 505653), (861, 464543), (2373, 168551), (4111, 97293), (4633, 86331), (12333, 32431), (13899, 28777)]