27787635

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 22352013

約数列:

[1, 3, 5, 9, 15, 45, 53, 61, 159, 183, 191, 265, 305, 477, 549, 573, 795, 915, 955, 1719, 2385, 2745, 2865, 3233, 8595, 9699, 10123, 11651, 16165, 29097, 30369, 34953, 48495, 50615, 58255, 91107, 104859, 145485, 151845, 174765, 455535, 524295, 617503, 1852509, 3087515, 5557527, 9262545, 27787635]

約数ペア:

[(1, 27787635), (3, 9262545), (5, 5557527), (9, 3087515), (15, 1852509), (45, 617503), (53, 524295), (61, 455535), (159, 174765), (183, 151845), (191, 145485), (265, 104859), (305, 91107), (477, 58255), (549, 50615), (573, 48495), (795, 34953), (915, 30369), (955, 29097), (1719, 16165), (2385, 11651), (2745, 10123), (2865, 9699), (3233, 8595)]