218908143

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6379}}^1$

素因数の和:6460

約数の個数: 32

約数和(自身を含む): 342988800

約数和(自身を除く): 124080657

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 837, 1107, 1271, 3813, 6379, 11439, 19137, 34317, 57411, 172233, 197749, 261539, 593247, 784617, 1779741, 2353851, 5339223, 7061553, 8107709, 24323127, 72969381, 218908143]

約数ペア:

[(1, 218908143), (3, 72969381), (9, 24323127), (27, 8107709), (31, 7061553), (41, 5339223), (93, 2353851), (123, 1779741), (279, 784617), (369, 593247), (837, 261539), (1107, 197749), (1271, 172233), (3813, 57411), (6379, 34317), (11439, 19137)]