28741215

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21529}}^1$

素因数の和:21626

約数の個数: 16

約数和(自身を含む): 46504800

約数和(自身を除く): 17763585

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21529, 64587, 107645, 322935, 1916081, 5748243, 9580405, 28741215]

約数ペア:

[(1, 28741215), (3, 9580405), (5, 5748243), (15, 1916081), (89, 322935), (267, 107645), (445, 64587), (1335, 21529)]