49947009

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 78059520

約数和(自身を除く): 28112511

約数列:

[1, 3, 7, 21, 71, 139, 213, 241, 417, 497, 723, 973, 1491, 1687, 2919, 5061, 9869, 17111, 29607, 33499, 51333, 69083, 100497, 119777, 207249, 234493, 359331, 703479, 2378429, 7135287, 16649003, 49947009]

約数ペア:

[(1, 49947009), (3, 16649003), (7, 7135287), (21, 2378429), (71, 703479), (139, 359331), (213, 234493), (241, 207249), (417, 119777), (497, 100497), (723, 69083), (973, 51333), (1491, 33499), (1687, 29607), (2919, 17111), (5061, 9869)]