16389375

素因数分解:

$3^1\times 5^4\times {\mathrm{8741}}^1$

素因数の和:8764

約数の個数: 20

約数和(自身を含む): 27310008

約数和(自身を除く): 10920633

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 8741, 26223, 43705, 131115, 218525, 655575, 1092625, 3277875, 5463125, 16389375]

約数ペア:

[(1, 16389375), (3, 5463125), (5, 3277875), (15, 1092625), (25, 655575), (75, 218525), (125, 131115), (375, 43705), (625, 26223), (1875, 8741)]