12780821913

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{935707}}^1$

素因数の和:935896

約数の個数: 16

約数和(自身を含む): 17741023680

約数和(自身を除く): 4960201767

約数列:

[1, 3, 29, 87, 157, 471, 4553, 13659, 935707, 2807121, 27135503, 81406509, 146905999, 440717997, 4260273971, 12780821913]

約数ペア:

[(1, 12780821913), (3, 4260273971), (29, 440717997), (87, 146905999), (157, 81406509), (471, 27135503), (4553, 2807121), (13659, 935707)]