13255557

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1907}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 20270592

約数和(自身を除く): 7015035

約数列:

[1, 3, 7, 21, 331, 993, 1907, 2317, 5721, 6951, 13349, 40047, 631217, 1893651, 4418519, 13255557]

約数ペア:

[(1, 13255557), (3, 4418519), (7, 1893651), (21, 631217), (331, 40047), (993, 13349), (1907, 6951), (2317, 5721)]