247576245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 468357120

約数和(自身を除く): 220780875

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 131, 205, 287, 393, 439, 615, 655, 861, 917, 1317, 1435, 1965, 2195, 2751, 3073, 4305, 4585, 5371, 6585, 9219, 13755, 15365, 16113, 17999, 26855, 37597, 46095, 53997, 57509, 80565, 89995, 112791, 125993, 172527, 187985, 269985, 287545, 377979, 402563, 563955, 629965, 862635, 1207689, 1889895, 2012815, 2357869, 6038445, 7073607, 11789345, 16505083, 35368035, 49515249, 82525415, 247576245]

約数ペア:

[(1, 247576245), (3, 82525415), (5, 49515249), (7, 35368035), (15, 16505083), (21, 11789345), (35, 7073607), (41, 6038445), (105, 2357869), (123, 2012815), (131, 1889895), (205, 1207689), (287, 862635), (393, 629965), (439, 563955), (615, 402563), (655, 377979), (861, 287545), (917, 269985), (1317, 187985), (1435, 172527), (1965, 125993), (2195, 112791), (2751, 89995), (3073, 80565), (4305, 57509), (4585, 53997), (5371, 46095), (6585, 37597), (9219, 26855), (13755, 17999), (15365, 16113)]