16155321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 28554624

約数和(自身を除く): 12399303

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 59, 91, 119, 177, 221, 273, 357, 413, 663, 767, 1003, 1239, 1547, 2301, 3009, 3481, 4641, 5369, 7021, 10443, 13039, 16107, 21063, 24367, 39117, 45253, 59177, 73101, 91273, 135759, 177531, 273819, 316771, 414239, 769301, 950313, 1242717, 2307903, 5385107, 16155321]

約数ペア:

[(1, 16155321), (3, 5385107), (7, 2307903), (13, 1242717), (17, 950313), (21, 769301), (39, 414239), (51, 316771), (59, 273819), (91, 177531), (119, 135759), (177, 91273), (221, 73101), (273, 59177), (357, 45253), (413, 39117), (663, 24367), (767, 21063), (1003, 16107), (1239, 13039), (1547, 10443), (2301, 7021), (3009, 5369), (3481, 4641)]