2169909

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 3833280

約数和(自身を除く): 1663371

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 89, 129, 189, 267, 301, 387, 567, 623, 801, 903, 1161, 1869, 2403, 2709, 3483, 3827, 5607, 7209, 8127, 11481, 16821, 24381, 26789, 34443, 50463, 80367, 103329, 241101, 309987, 723303, 2169909]

約数ペア:

[(1, 2169909), (3, 723303), (7, 309987), (9, 241101), (21, 103329), (27, 80367), (43, 50463), (63, 34443), (81, 26789), (89, 24381), (129, 16821), (189, 11481), (267, 8127), (301, 7209), (387, 5607), (567, 3827), (623, 3483), (801, 2709), (903, 2403), (1161, 1869)]