7618221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 13104000

約数和(自身を除く): 5485779

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 149, 171, 207, 247, 299, 437, 447, 741, 897, 1311, 1341, 1937, 2223, 2691, 2831, 3427, 3933, 5681, 5811, 8493, 10281, 17043, 17433, 25479, 30843, 36803, 44551, 51129, 65113, 110409, 133653, 195339, 331227, 400959, 586017, 846469, 2539407, 7618221]

約数ペア:

[(1, 7618221), (3, 2539407), (9, 846469), (13, 586017), (19, 400959), (23, 331227), (39, 195339), (57, 133653), (69, 110409), (117, 65113), (149, 51129), (171, 44551), (207, 36803), (247, 30843), (299, 25479), (437, 17433), (447, 17043), (741, 10281), (897, 8493), (1311, 5811), (1341, 5681), (1937, 3933), (2223, 3427), (2691, 2831)]