139080977

素因数分解:

$7^1\times {\mathrm{23}}^4\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 20

約数和(自身を含む): 168515136

約数和(自身を除く): 29434159

約数列:

[1, 7, 23, 71, 161, 497, 529, 1633, 3703, 11431, 12167, 37559, 85169, 262913, 279841, 863857, 1958887, 6046999, 19868711, 139080977]

約数ペア:

[(1, 139080977), (7, 19868711), (23, 6046999), (71, 1958887), (161, 863857), (497, 279841), (529, 262913), (1633, 85169), (3703, 37559), (11431, 12167)]