16373889

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 27849744

約数和(自身を除く): 11475855

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 347, 441, 749, 963, 1041, 2247, 2429, 3123, 5243, 6741, 7287, 15729, 17003, 21861, 37129, 47187, 51009, 111387, 153027, 259903, 334161, 779709, 1819321, 2339127, 5457963, 16373889]

約数ペア:

[(1, 16373889), (3, 5457963), (7, 2339127), (9, 1819321), (21, 779709), (49, 334161), (63, 259903), (107, 153027), (147, 111387), (321, 51009), (347, 47187), (441, 37129), (749, 21861), (963, 17003), (1041, 15729), (2247, 7287), (2429, 6741), (3123, 5243)]