28740885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66071}}^1$

素因数の和:66108

約数の個数: 16

約数和(自身を含む): 47571840

約数和(自身を除く): 18830955

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 66071, 198213, 330355, 991065, 1916059, 5748177, 9580295, 28740885]

約数ペア:

[(1, 28740885), (3, 9580295), (5, 5748177), (15, 1916059), (29, 991065), (87, 330355), (145, 198213), (435, 66071)]