27863885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 40187904

約数和(自身を除く): 12324019

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 305, 421, 427, 1085, 1891, 2105, 2135, 2947, 9455, 13051, 13237, 14735, 25681, 65255, 66185, 91357, 128405, 179767, 456785, 796111, 898835, 3980555, 5572777, 27863885]

約数ペア:

[(1, 27863885), (5, 5572777), (7, 3980555), (31, 898835), (35, 796111), (61, 456785), (155, 179767), (217, 128405), (305, 91357), (421, 66185), (427, 65255), (1085, 25681), (1891, 14735), (2105, 13237), (2135, 13051), (2947, 9455)]