78855357

素因数分解:

$3^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 123552000

約数和(自身を除く): 44696643

約数列:

[1, 3, 7, 21, 49, 147, 197, 343, 389, 591, 1029, 1167, 1379, 2723, 4137, 8169, 9653, 19061, 28959, 57183, 67571, 76633, 133427, 202713, 229899, 400281, 536431, 1609293, 3755017, 11265051, 26285119, 78855357]

約数ペア:

[(1, 78855357), (3, 26285119), (7, 11265051), (21, 3755017), (49, 1609293), (147, 536431), (197, 400281), (343, 229899), (389, 202713), (591, 133427), (1029, 76633), (1167, 67571), (1379, 57183), (2723, 28959), (4137, 19061), (8169, 9653)]