20215288611

素因数分解:

$3^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{154789}}^1$

素因数の和:155496

約数の個数: 32

約数和(自身を含む): 34276697600

約数和(自身を除く): 14061408989

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 691, 2073, 4837, 6219, 14511, 18657, 43533, 130599, 154789, 464367, 1083523, 1393101, 3250569, 4179303, 9751707, 29255121, 106959199, 320877597, 748714393, 962632791, 2246143179, 2887898373, 6738429537, 20215288611]

約数ペア:

[(1, 20215288611), (3, 6738429537), (7, 2887898373), (9, 2246143179), (21, 962632791), (27, 748714393), (63, 320877597), (189, 106959199), (691, 29255121), (2073, 9751707), (4837, 4179303), (6219, 3250569), (14511, 1393101), (18657, 1083523), (43533, 464367), (130599, 154789)]