16439787

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6720

約数の個数: 32

約数和(自身を含む): 29980160

約数和(自身を除く): 13540373

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 6691, 20073, 46837, 60219, 86983, 140511, 180657, 260949, 421533, 608881, 782847, 1264599, 1826643, 2348541, 5479929, 16439787]

約数ペア:

[(1, 16439787), (3, 5479929), (7, 2348541), (9, 1826643), (13, 1264599), (21, 782847), (27, 608881), (39, 421533), (63, 260949), (91, 180657), (117, 140511), (189, 86983), (273, 60219), (351, 46837), (819, 20073), (2457, 6691)]