16787979

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 27442800

約数和(自身を除く): 10654821

約数列:

[1, 3, 9, 13, 27, 39, 81, 107, 117, 149, 321, 351, 447, 963, 1053, 1341, 1391, 1937, 2889, 4023, 4173, 5811, 8667, 12069, 12519, 15943, 17433, 37557, 47829, 52299, 112671, 143487, 156897, 207259, 430461, 621777, 1291383, 1865331, 5595993, 16787979]

約数ペア:

[(1, 16787979), (3, 5595993), (9, 1865331), (13, 1291383), (27, 621777), (39, 430461), (81, 207259), (107, 156897), (117, 143487), (149, 112671), (321, 52299), (351, 47829), (447, 37557), (963, 17433), (1053, 15943), (1341, 12519), (1391, 12069), (1937, 8667), (2889, 5811), (4023, 4173)]