16219395

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 13264605

約数列:

[1, 3, 5, 9, 15, 41, 45, 59, 123, 149, 177, 205, 295, 369, 447, 531, 615, 745, 885, 1341, 1845, 2235, 2419, 2655, 6109, 6705, 7257, 8791, 12095, 18327, 21771, 26373, 30545, 36285, 43955, 54981, 79119, 91635, 108855, 131865, 274905, 360431, 395595, 1081293, 1802155, 3243879, 5406465, 16219395]

約数ペア:

[(1, 16219395), (3, 5406465), (5, 3243879), (9, 1802155), (15, 1081293), (41, 395595), (45, 360431), (59, 274905), (123, 131865), (149, 108855), (177, 91635), (205, 79119), (295, 54981), (369, 43955), (447, 36285), (531, 30545), (615, 26373), (745, 21771), (885, 18327), (1341, 12095), (1845, 8791), (2235, 7257), (2419, 6705), (2655, 6109)]