39920907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 60641280

約数和(自身を除く): 20720373

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 377, 611, 751, 1131, 1363, 1833, 2253, 4089, 9763, 17719, 21779, 29289, 35297, 53157, 65337, 105891, 283127, 458861, 849381, 1023613, 1376583, 3070839, 13306969, 39920907]

約数ペア:

[(1, 39920907), (3, 13306969), (13, 3070839), (29, 1376583), (39, 1023613), (47, 849381), (87, 458861), (141, 283127), (377, 105891), (611, 65337), (751, 53157), (1131, 35297), (1363, 29289), (1833, 21779), (2253, 17719), (4089, 9763)]