4128975

素因数分解:

$3^4\times 5^2\times {\mathrm{2039}}^1$

素因数の和:2061

約数の個数: 30

約数和(自身を含む): 7652040

約数和(自身を除く): 3523065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 2039, 6117, 10195, 18351, 30585, 50975, 55053, 91755, 152925, 165159, 275265, 458775, 825795, 1376325, 4128975]

約数ペア:

[(1, 4128975), (3, 1376325), (5, 825795), (9, 458775), (15, 275265), (25, 165159), (27, 152925), (45, 91755), (75, 55053), (81, 50975), (135, 30585), (225, 18351), (405, 10195), (675, 6117), (2025, 2039)]