16401852243

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{208111}}^1$

素因数の和:208269

約数の個数: 40

約数和(自身を含む): 28203338240

約数和(自身を除く): 11801485997

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3753, 8757, 11259, 26271, 78813, 208111, 624333, 1456777, 1872999, 4370331, 5618997, 13110993, 16856991, 28927429, 39332979, 86782287, 117998937, 202492003, 260346861, 607476009, 781040583, 1822428027, 2343121749, 5467284081, 16401852243]

約数ペア:

[(1, 16401852243), (3, 5467284081), (7, 2343121749), (9, 1822428027), (21, 781040583), (27, 607476009), (63, 260346861), (81, 202492003), (139, 117998937), (189, 86782287), (417, 39332979), (567, 28927429), (973, 16856991), (1251, 13110993), (2919, 5618997), (3753, 4370331), (8757, 1872999), (11259, 1456777), (26271, 624333), (78813, 208111)]