31399797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 50150016

約数和(自身を除く): 18750219

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1381, 1749, 2067, 4143, 7579, 15191, 17953, 22737, 45573, 53859, 73193, 197483, 219579, 592449, 805123, 951509, 2415369, 2854527, 10466599, 31399797]

約数ペア:

[(1, 31399797), (3, 10466599), (11, 2854527), (13, 2415369), (33, 951509), (39, 805123), (53, 592449), (143, 219579), (159, 197483), (429, 73193), (583, 53859), (689, 45573), (1381, 22737), (1749, 17953), (2067, 15191), (4143, 7579)]