217962015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{44987}}^1$

素因数の和:45031

約数の個数: 32

約数和(自身を含む): 388696320

約数和(自身を除く): 170734305

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 44987, 134961, 224935, 674805, 764779, 854753, 2294337, 2564259, 3823895, 4273765, 11471685, 12821295, 14530801, 43592403, 72654005, 217962015]

約数ペア:

[(1, 217962015), (3, 72654005), (5, 43592403), (15, 14530801), (17, 12821295), (19, 11471685), (51, 4273765), (57, 3823895), (85, 2564259), (95, 2294337), (255, 854753), (285, 764779), (323, 674805), (969, 224935), (1615, 134961), (4845, 44987)]