16972389

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 29088000

約数和(自身を除く): 12115611

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1009, 1869, 2403, 3027, 5607, 7063, 9081, 16821, 21189, 27243, 63567, 89801, 190701, 269403, 628607, 808209, 1885821, 2424627, 5657463, 16972389]

約数ペア:

[(1, 16972389), (3, 5657463), (7, 2424627), (9, 1885821), (21, 808209), (27, 628607), (63, 269403), (89, 190701), (189, 89801), (267, 63567), (623, 27243), (801, 21189), (1009, 16821), (1869, 9081), (2403, 7063), (3027, 5607)]