1115125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 1520064

約数和(自身を除く): 404939

約数列:

[1, 5, 11, 25, 55, 125, 275, 811, 1375, 4055, 8921, 20275, 44605, 101375, 223025, 1115125]

約数ペア:

[(1, 1115125), (5, 223025), (11, 101375), (25, 44605), (55, 20275), (125, 8921), (275, 4055), (811, 1375)]