211290417

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3119}}^1$

素因数の和:3334

約数の個数: 32

約数和(自身を含む): 338956800

約数和(自身を除く): 127666383

約数列:

[1, 3, 9, 13, 27, 39, 117, 193, 351, 579, 1737, 2509, 3119, 5211, 7527, 9357, 22581, 28071, 40547, 67743, 84213, 121641, 364923, 601967, 1094769, 1805901, 5417703, 7825571, 16253109, 23476713, 70430139, 211290417]

約数ペア:

[(1, 211290417), (3, 70430139), (9, 23476713), (13, 16253109), (27, 7825571), (39, 5417703), (117, 1805901), (193, 1094769), (351, 601967), (579, 364923), (1737, 121641), (2509, 84213), (3119, 67743), (5211, 40547), (7527, 28071), (9357, 22581)]