208038915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220147}}^1$

素因数の和:220168

約数の個数: 32

約数和(自身を含む): 422684160

約数和(自身を除く): 214645245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220147, 660441, 1100735, 1541029, 1981323, 3302205, 4623087, 5943969, 7705145, 9906615, 13869261, 23115435, 29719845, 41607783, 69346305, 208038915]

約数ペア:

[(1, 208038915), (3, 69346305), (5, 41607783), (7, 29719845), (9, 23115435), (15, 13869261), (21, 9906615), (27, 7705145), (35, 5943969), (45, 4623087), (63, 3302205), (105, 1981323), (135, 1541029), (189, 1100735), (315, 660441), (945, 220147)]