28407105

素因数分解:

$3^4\times 5^1\times {\mathrm{70141}}^1$

素因数の和:70158

約数の個数: 20

約数和(自身を含む): 50923092

約数和(自身を除く): 22515987

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70141, 210423, 350705, 631269, 1052115, 1893807, 3156345, 5681421, 9469035, 28407105]

約数ペア:

[(1, 28407105), (3, 9469035), (5, 5681421), (9, 3156345), (15, 1893807), (27, 1052115), (45, 631269), (81, 350705), (135, 210423), (405, 70141)]