54375

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1$

素因数の和:52

約数の個数: 20

約数和(自身を含む): 93720

約数和(自身を除く): 39345

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 625, 725, 1875, 2175, 3625, 10875, 18125, 54375]

約数ペア:

[(1, 54375), (3, 18125), (5, 10875), (15, 3625), (25, 2175), (29, 1875), (75, 725), (87, 625), (125, 435), (145, 375)]