13260591

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5281}}^1$

素因数の和:5324

約数の個数: 20

約数和(自身を含む): 20451904

約数和(自身を除く): 7191313

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5281, 15843, 47529, 142587, 163711, 427761, 491133, 1473399, 4420197, 13260591]

約数ペア:

[(1, 13260591), (3, 4420197), (9, 1473399), (27, 491133), (31, 427761), (81, 163711), (93, 142587), (279, 47529), (837, 15843), (2511, 5281)]