81265743

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 52788177

約数列:

[1, 3, 9, 13, 29, 39, 43, 87, 117, 129, 261, 377, 387, 557, 559, 1131, 1247, 1671, 1677, 3393, 3741, 5013, 5031, 7241, 11223, 16153, 16211, 21723, 23951, 48459, 48633, 65169, 71853, 145377, 145899, 209989, 215559, 311363, 629967, 694579, 934089, 1889901, 2083737, 2802267, 6251211, 9029527, 27088581, 81265743]

約数ペア:

[(1, 81265743), (3, 27088581), (9, 9029527), (13, 6251211), (29, 2802267), (39, 2083737), (43, 1889901), (87, 934089), (117, 694579), (129, 629967), (261, 311363), (377, 215559), (387, 209989), (557, 145899), (559, 145377), (1131, 71853), (1247, 65169), (1671, 48633), (1677, 48459), (3393, 23951), (3741, 21723), (5013, 16211), (5031, 16153), (7241, 11223)]