7881939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 13366080

約数和(自身を除く): 5484141

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 101, 117, 207, 261, 299, 303, 377, 667, 897, 909, 1131, 1313, 2001, 2323, 2691, 2929, 3393, 3939, 6003, 6969, 8671, 8787, 11817, 20907, 26013, 26361, 30199, 38077, 67367, 78039, 90597, 114231, 202101, 271791, 342693, 606303, 875771, 2627313, 7881939]

約数ペア:

[(1, 7881939), (3, 2627313), (9, 875771), (13, 606303), (23, 342693), (29, 271791), (39, 202101), (69, 114231), (87, 90597), (101, 78039), (117, 67367), (207, 38077), (261, 30199), (299, 26361), (303, 26013), (377, 20907), (667, 11817), (897, 8787), (909, 8671), (1131, 6969), (1313, 6003), (2001, 3939), (2323, 3393), (2691, 2929)]