28490235

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21341}}^1$

素因数の和:21438

約数の個数: 16

約数和(自身を含む): 46098720

約数和(自身を除く): 17608485

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21341, 64023, 106705, 320115, 1899349, 5698047, 9496745, 28490235]

約数ペア:

[(1, 28490235), (3, 9496745), (5, 5698047), (15, 1899349), (89, 320115), (267, 106705), (445, 64023), (1335, 21341)]