1212321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 1867968

約数和(自身を除く): 655647

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 2161, 6483, 23771, 36737, 71313, 110211, 404107, 1212321]

約数ペア:

[(1, 1212321), (3, 404107), (11, 110211), (17, 71313), (33, 36737), (51, 23771), (187, 6483), (561, 2161)]