28316685

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21211}}^1$

素因数の和:21308

約数の個数: 16

約数和(自身を含む): 45817920

約数和(自身を除く): 17501235

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21211, 63633, 106055, 318165, 1887779, 5663337, 9438895, 28316685]

約数ペア:

[(1, 28316685), (3, 9438895), (5, 5663337), (15, 1887779), (89, 318165), (267, 106055), (445, 63633), (1335, 21211)]