677641923

素因数分解:

$3^3\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1993}}^1$

素因数の和:2273

約数の個数: 48

約数和(自身を含む): 1172950560

約数和(自身を除く): 495308637

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 257, 441, 771, 1323, 1799, 1993, 2313, 5397, 5979, 6939, 12593, 13951, 16191, 17937, 37779, 41853, 48573, 53811, 97657, 113337, 125559, 292971, 340011, 376677, 512201, 878913, 1536603, 2636739, 3585407, 4609809, 10756221, 13829427, 25097849, 32268663, 75293547, 96805989, 225880641, 677641923]

約数ペア:

[(1, 677641923), (3, 225880641), (7, 96805989), (9, 75293547), (21, 32268663), (27, 25097849), (49, 13829427), (63, 10756221), (147, 4609809), (189, 3585407), (257, 2636739), (441, 1536603), (771, 878913), (1323, 512201), (1799, 376677), (1993, 340011), (2313, 292971), (5397, 125559), (5979, 113337), (6939, 97657), (12593, 53811), (13951, 48573), (16191, 41853), (17937, 37779)]