12881655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9871}}^1$

素因数の和:9911

約数の個数: 24

約数和(自身を含む): 23100480

約数和(自身を除く): 10218825

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 9871, 29613, 49355, 88839, 148065, 286259, 444195, 858777, 1431295, 2576331, 4293885, 12881655]

約数ペア:

[(1, 12881655), (3, 4293885), (5, 2576331), (9, 1431295), (15, 858777), (29, 444195), (45, 286259), (87, 148065), (145, 88839), (261, 49355), (435, 29613), (1305, 9871)]