248835555

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 440600160

約数和(自身を除く): 191764605

約数列:

[1, 3, 5, 9, 15, 45, 97, 109, 291, 327, 485, 523, 545, 873, 981, 1455, 1569, 1635, 2615, 4365, 4707, 4905, 7845, 10573, 23535, 31719, 50731, 52865, 57007, 95157, 152193, 158595, 171021, 253655, 285035, 456579, 475785, 513063, 760965, 855105, 2282895, 2565315, 5529679, 16589037, 27648395, 49767111, 82945185, 248835555]

約数ペア:

[(1, 248835555), (3, 82945185), (5, 49767111), (9, 27648395), (15, 16589037), (45, 5529679), (97, 2565315), (109, 2282895), (291, 855105), (327, 760965), (485, 513063), (523, 475785), (545, 456579), (873, 285035), (981, 253655), (1455, 171021), (1569, 158595), (1635, 152193), (2615, 95157), (4365, 57007), (4707, 52865), (4905, 50731), (7845, 31719), (10573, 23535)]