27923715

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 51407616

約数和(自身を除く): 23483901

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 93, 111, 155, 185, 279, 333, 465, 541, 555, 1147, 1395, 1623, 1665, 2705, 3441, 4869, 5735, 8115, 10323, 16771, 17205, 20017, 24345, 50313, 51615, 60051, 83855, 100085, 150939, 180153, 251565, 300255, 620527, 754695, 900765, 1861581, 3102635, 5584743, 9307905, 27923715]

約数ペア:

[(1, 27923715), (3, 9307905), (5, 5584743), (9, 3102635), (15, 1861581), (31, 900765), (37, 754695), (45, 620527), (93, 300255), (111, 251565), (155, 180153), (185, 150939), (279, 100085), (333, 83855), (465, 60051), (541, 51615), (555, 50313), (1147, 24345), (1395, 20017), (1623, 17205), (1665, 16771), (2705, 10323), (3441, 8115), (4869, 5735)]