323125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 20

約数和(自身を含む): 449856

約数和(自身を除く): 126731

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 517, 625, 1175, 1375, 2585, 5875, 6875, 12925, 29375, 64625, 323125]

約数ペア:

[(1, 323125), (5, 64625), (11, 29375), (25, 12925), (47, 6875), (55, 5875), (125, 2585), (235, 1375), (275, 1175), (517, 625)]