16420425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31277}}^1$

素因数の和:31297

約数の個数: 24

約数和(自身を含む): 31027776

約数和(自身を除く): 14607351

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 31277, 93831, 156385, 218939, 469155, 656817, 781925, 1094695, 2345775, 3284085, 5473475, 16420425]

約数ペア:

[(1, 16420425), (3, 5473475), (5, 3284085), (7, 2345775), (15, 1094695), (21, 781925), (25, 656817), (35, 469155), (75, 218939), (105, 156385), (175, 93831), (525, 31277)]