12143115

素因数分解:

$3^4\times 5^1\times {\mathrm{29983}}^1$

素因数の和:30000

約数の個数: 20

約数和(自身を含む): 21768384

約数和(自身を除く): 9625269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29983, 89949, 149915, 269847, 449745, 809541, 1349235, 2428623, 4047705, 12143115]

約数ペア:

[(1, 12143115), (3, 4047705), (5, 2428623), (9, 1349235), (15, 809541), (27, 449745), (45, 269847), (81, 149915), (135, 89949), (405, 29983)]