13418541

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8719}}^1$

素因数の和:8750

約数の個数: 20

約数和(自身を含む): 21102400

約数和(自身を除く): 7683859

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8719, 26157, 78471, 165661, 235413, 496983, 706239, 1490949, 4472847, 13418541]

約数ペア:

[(1, 13418541), (3, 4472847), (9, 1490949), (19, 706239), (27, 496983), (57, 235413), (81, 165661), (171, 78471), (513, 26157), (1539, 8719)]