2179375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 2980296

約数和(自身を除く): 800921

約数列:

[1, 5, 11, 25, 55, 125, 275, 317, 625, 1375, 1585, 3487, 6875, 7925, 17435, 39625, 87175, 198125, 435875, 2179375]

約数ペア:

[(1, 2179375), (5, 435875), (11, 198125), (25, 87175), (55, 39625), (125, 17435), (275, 7925), (317, 6875), (625, 3487), (1375, 1585)]