12559779

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8161}}^1$

素因数の和:8192

約数の個数: 20

約数和(自身を含む): 19752040

約数和(自身を除く): 7192261

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8161, 24483, 73449, 155059, 220347, 465177, 661041, 1395531, 4186593, 12559779]

約数ペア:

[(1, 12559779), (3, 4186593), (9, 1395531), (19, 661041), (27, 465177), (57, 220347), (81, 155059), (171, 73449), (513, 24483), (1539, 8161)]