156565981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 191213568

約数和(自身を除く): 34647587

約数列:

[1, 11, 13, 37, 127, 143, 233, 407, 481, 1397, 1651, 2563, 3029, 4699, 5291, 8621, 18161, 29591, 33319, 51689, 61087, 94831, 112073, 325501, 384683, 671957, 1094867, 1232803, 4231513, 12043537, 14233271, 156565981]

約数ペア:

[(1, 156565981), (11, 14233271), (13, 12043537), (37, 4231513), (127, 1232803), (143, 1094867), (233, 671957), (407, 384683), (481, 325501), (1397, 112073), (1651, 94831), (2563, 61087), (3029, 51689), (4699, 33319), (5291, 29591), (8621, 18161)]