12685905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9721}}^1$

素因数の和:9761

約数の個数: 24

約数和(自身を含む): 22749480

約数和(自身を除く): 10063575

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 9721, 29163, 48605, 87489, 145815, 281909, 437445, 845727, 1409545, 2537181, 4228635, 12685905]

約数ペア:

[(1, 12685905), (3, 4228635), (5, 2537181), (9, 1409545), (15, 845727), (29, 437445), (45, 281909), (87, 145815), (145, 87489), (261, 48605), (435, 29163), (1305, 9721)]