12015855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 22407840

約数和(自身を除く): 10391985

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 113, 139, 153, 255, 339, 417, 565, 695, 765, 1017, 1251, 1695, 1921, 2085, 2363, 5085, 5763, 6255, 7089, 9605, 11815, 15707, 17289, 21267, 28815, 35445, 47121, 78535, 86445, 106335, 141363, 235605, 267019, 706815, 801057, 1335095, 2403171, 4005285, 12015855]

約数ペア:

[(1, 12015855), (3, 4005285), (5, 2403171), (9, 1335095), (15, 801057), (17, 706815), (45, 267019), (51, 235605), (85, 141363), (113, 106335), (139, 86445), (153, 78535), (255, 47121), (339, 35445), (417, 28815), (565, 21267), (695, 17289), (765, 15707), (1017, 11815), (1251, 9605), (1695, 7089), (1921, 6255), (2085, 5763), (2363, 5085)]