505909719

素因数分解:

$3^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^2$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 893343360

約数和(自身を除く): 387433641

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 71, 81, 177, 189, 213, 243, 413, 497, 531, 567, 639, 1239, 1491, 1593, 1701, 1917, 3717, 4189, 4473, 4779, 5041, 5751, 11151, 12567, 13419, 14337, 15123, 17253, 29323, 33453, 35287, 37701, 40257, 45369, 87969, 100359, 105861, 113103, 120771, 136107, 263907, 297419, 317583, 339309, 408321, 791721, 892257, 952749, 1017927, 1224963, 2081933, 2375163, 2676771, 2858247, 6245799, 7125489, 8030313, 8574741, 18737397, 24090939, 56212191, 72272817, 168636573, 505909719]

約数ペア:

[(1, 505909719), (3, 168636573), (7, 72272817), (9, 56212191), (21, 24090939), (27, 18737397), (59, 8574741), (63, 8030313), (71, 7125489), (81, 6245799), (177, 2858247), (189, 2676771), (213, 2375163), (243, 2081933), (413, 1224963), (497, 1017927), (531, 952749), (567, 892257), (639, 791721), (1239, 408321), (1491, 339309), (1593, 317583), (1701, 297419), (1917, 263907), (3717, 136107), (4189, 120771), (4473, 113103), (4779, 105861), (5041, 100359), (5751, 87969), (11151, 45369), (12567, 40257), (13419, 37701), (14337, 35287), (15123, 33453), (17253, 29323)]