81316269

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2161}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 121755192

約数和(自身を除く): 40438923

約数列:

[1, 3, 9, 37, 111, 113, 333, 339, 1017, 2161, 4181, 6483, 12543, 19449, 37629, 79957, 239871, 244193, 719613, 732579, 2197737, 9035141, 27105423, 81316269]

約数ペア:

[(1, 81316269), (3, 27105423), (9, 9035141), (37, 2197737), (111, 732579), (113, 719613), (333, 244193), (339, 239871), (1017, 79957), (2161, 37629), (4181, 19449), (6483, 12543)]