28540515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40483}}^1$

素因数の和:40538

約数の個数: 16

約数和(自身を含む): 46637568

約数和(自身を除く): 18097053

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40483, 121449, 202415, 607245, 1902701, 5708103, 9513505, 28540515]

約数ペア:

[(1, 28540515), (3, 9513505), (5, 5708103), (15, 1902701), (47, 607245), (141, 202415), (235, 121449), (705, 40483)]