208711215

素因数分解:

$3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4877}}^1$

素因数の和:5208

約数の個数: 32

約数和(自身を含む): 372288960

約数和(自身を除く): 163577745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 317, 951, 1585, 2853, 4755, 4877, 8559, 14265, 14631, 24385, 42795, 43893, 73155, 131679, 219465, 658395, 1546009, 4638027, 7730045, 13914081, 23190135, 41742243, 69570405, 208711215]

約数ペア:

[(1, 208711215), (3, 69570405), (5, 41742243), (9, 23190135), (15, 13914081), (27, 7730045), (45, 4638027), (135, 1546009), (317, 658395), (951, 219465), (1585, 131679), (2853, 73155), (4755, 43893), (4877, 42795), (8559, 24385), (14265, 14631)]