28040775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53411}}^1$

素因数の和:53431

約数の個数: 24

約数和(自身を含む): 52984704

約数和(自身を除く): 24943929

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53411, 160233, 267055, 373877, 801165, 1121631, 1335275, 1869385, 4005825, 5608155, 9346925, 28040775]

約数ペア:

[(1, 28040775), (3, 9346925), (5, 5608155), (7, 4005825), (15, 1869385), (21, 1335275), (25, 1121631), (35, 801165), (75, 373877), (105, 267055), (175, 160233), (525, 53411)]