203160815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1987}}^1$

素因数の和:2040

約数の個数: 36

約数和(自身を含む): 290315592

約数和(自身を除く): 87154777

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 169, 605, 715, 845, 1573, 1859, 1987, 7865, 9295, 9935, 20449, 21857, 25831, 102245, 109285, 129155, 240427, 284141, 335803, 1202135, 1420705, 1679015, 3125551, 3693833, 15627755, 18469165, 40632163, 203160815]

約数ペア:

[(1, 203160815), (5, 40632163), (11, 18469165), (13, 15627755), (55, 3693833), (65, 3125551), (121, 1679015), (143, 1420705), (169, 1202135), (605, 335803), (715, 284141), (845, 240427), (1573, 129155), (1859, 109285), (1987, 102245), (7865, 25831), (9295, 21857), (9935, 20449)]