28529925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20053

約数の個数: 24

約数和(自身を含む): 49654560

約数和(自身を除く): 21124635

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 20021, 60063, 100105, 300315, 380399, 500525, 1141197, 1501575, 1901995, 5705985, 9509975, 28529925]

約数ペア:

[(1, 28529925), (3, 9509975), (5, 5705985), (15, 1901995), (19, 1501575), (25, 1141197), (57, 500525), (75, 380399), (95, 300315), (285, 100105), (475, 60063), (1425, 20021)]