208649385

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220793}}^1$

素因数の和:220814

約数の個数: 32

約数和(自身を含む): 423924480

約数和(自身を除く): 215275095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220793, 662379, 1103965, 1545551, 1987137, 3311895, 4636653, 5961411, 7727755, 9935685, 13909959, 23183265, 29807055, 41729877, 69549795, 208649385]

約数ペア:

[(1, 208649385), (3, 69549795), (5, 41729877), (7, 29807055), (9, 23183265), (15, 13909959), (21, 9935685), (27, 7727755), (35, 5961411), (45, 4636653), (63, 3311895), (105, 1987137), (135, 1545551), (189, 1103965), (315, 662379), (945, 220793)]