16428225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19913}}^1$

素因数の和:19937

約数の個数: 24

約数和(自身を含む): 29632032

約数和(自身を除く): 13203807

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 19913, 59739, 99565, 219043, 298695, 497825, 657129, 1095215, 1493475, 3285645, 5476075, 16428225]

約数ペア:

[(1, 16428225), (3, 5476075), (5, 3285645), (11, 1493475), (15, 1095215), (25, 657129), (33, 497825), (55, 298695), (75, 219043), (165, 99565), (275, 59739), (825, 19913)]