1399419

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 2344160

約数和(自身を除く): 944741

約数列:

[1, 3, 7, 9, 21, 63, 97, 229, 291, 679, 687, 873, 1603, 2037, 2061, 4809, 6111, 14427, 22213, 66639, 155491, 199917, 466473, 1399419]

約数ペア:

[(1, 1399419), (3, 466473), (7, 199917), (9, 155491), (21, 66639), (63, 22213), (97, 14427), (229, 6111), (291, 4809), (679, 2061), (687, 2037), (873, 1603)]