13019139

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 21621600

約数和(自身を除く): 8602461

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1049, 1379, 1773, 3147, 4137, 7343, 9441, 12411, 22029, 66087, 206653, 619959, 1446571, 1859877, 4339713, 13019139]

約数ペア:

[(1, 13019139), (3, 4339713), (7, 1859877), (9, 1446571), (21, 619959), (63, 206653), (197, 66087), (591, 22029), (1049, 12411), (1379, 9441), (1773, 7343), (3147, 4137)]