217857585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{10079}}^1$

素因数の和:10229

約数の個数: 32

約数和(自身を含む): 383201280

約数和(自身を除く): 165343695

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 4323, 7205, 10079, 21615, 30237, 50395, 110869, 151185, 332607, 554345, 1320349, 1663035, 3961047, 6601745, 14523839, 19805235, 43571517, 72619195, 217857585]

約数ペア:

[(1, 217857585), (3, 72619195), (5, 43571517), (11, 19805235), (15, 14523839), (33, 6601745), (55, 3961047), (131, 1663035), (165, 1320349), (393, 554345), (655, 332607), (1441, 151185), (1965, 110869), (4323, 50395), (7205, 30237), (10079, 21615)]