16879779

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 30638080

約数和(自身を除く): 13758301

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 67, 93, 129, 189, 201, 217, 279, 301, 387, 469, 603, 651, 837, 903, 1161, 1333, 1407, 1809, 1953, 2077, 2709, 2881, 3999, 4221, 5859, 6231, 8127, 8643, 9331, 11997, 12663, 14539, 18693, 20167, 25929, 27993, 35991, 43617, 56079, 60501, 77787, 83979, 89311, 130851, 181503, 251937, 267933, 392553, 544509, 625177, 803799, 1875531, 2411397, 5626593, 16879779]

約数ペア:

[(1, 16879779), (3, 5626593), (7, 2411397), (9, 1875531), (21, 803799), (27, 625177), (31, 544509), (43, 392553), (63, 267933), (67, 251937), (93, 181503), (129, 130851), (189, 89311), (201, 83979), (217, 77787), (279, 60501), (301, 56079), (387, 43617), (469, 35991), (603, 27993), (651, 25929), (837, 20167), (903, 18693), (1161, 14539), (1333, 12663), (1407, 11997), (1809, 9331), (1953, 8643), (2077, 8127), (2709, 6231), (2881, 5859), (3999, 4221)]