28654155

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 51836400

約数和(自身を除く): 23182245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 509, 695, 1251, 1527, 2085, 2545, 3753, 4581, 6255, 7635, 11259, 13743, 18765, 22905, 41229, 56295, 68715, 70751, 206145, 212253, 353755, 636759, 1061265, 1910277, 3183795, 5730831, 9551385, 28654155]

約数ペア:

[(1, 28654155), (3, 9551385), (5, 5730831), (9, 3183795), (15, 1910277), (27, 1061265), (45, 636759), (81, 353755), (135, 212253), (139, 206145), (405, 70751), (417, 68715), (509, 56295), (695, 41229), (1251, 22905), (1527, 18765), (2085, 13743), (2545, 11259), (3753, 7635), (4581, 6255)]