1621875

素因数分解:

$3^1\times 5^5\times {\mathrm{173}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 2718576

約数和(自身を除く): 1096701

約数列:

[1, 3, 5, 15, 25, 75, 125, 173, 375, 519, 625, 865, 1875, 2595, 3125, 4325, 9375, 12975, 21625, 64875, 108125, 324375, 540625, 1621875]

約数ペア:

[(1, 1621875), (3, 540625), (5, 324375), (15, 108125), (25, 64875), (75, 21625), (125, 12975), (173, 9375), (375, 4325), (519, 3125), (625, 2595), (865, 1875)]