1288125

素因数分解:

$3^2\times 5^4\times {\mathrm{229}}^1$

素因数の和:255

約数の個数: 30

約数和(自身を含む): 2335190

約数和(自身を除く): 1047065

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 229, 375, 625, 687, 1125, 1145, 1875, 2061, 3435, 5625, 5725, 10305, 17175, 28625, 51525, 85875, 143125, 257625, 429375, 1288125]

約数ペア:

[(1, 1288125), (3, 429375), (5, 257625), (9, 143125), (15, 85875), (25, 51525), (45, 28625), (75, 17175), (125, 10305), (225, 5725), (229, 5625), (375, 3435), (625, 2061), (687, 1875), (1125, 1145)]