38639745

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1021}}^1$

素因数の和:1090

約数の個数: 36

約数和(自身を含む): 69432636

約数和(自身を除く): 30792891

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 841, 1021, 1305, 2523, 3063, 4205, 5105, 7569, 9189, 12615, 15315, 29609, 37845, 45945, 88827, 148045, 266481, 444135, 858661, 1332405, 2575983, 4293305, 7727949, 12879915, 38639745]

約数ペア:

[(1, 38639745), (3, 12879915), (5, 7727949), (9, 4293305), (15, 2575983), (29, 1332405), (45, 858661), (87, 444135), (145, 266481), (261, 148045), (435, 88827), (841, 45945), (1021, 37845), (1305, 29609), (2523, 15315), (3063, 12615), (4205, 9189), (5105, 7569)]