15826671

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 27382784

約数和(自身を除く): 11556113

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 271, 309, 567, 721, 813, 927, 1897, 2163, 2439, 2781, 5691, 6489, 7317, 8343, 17073, 19467, 21951, 27913, 51219, 58401, 83739, 153657, 195391, 251217, 586173, 753651, 1758519, 2260953, 5275557, 15826671]

約数ペア:

[(1, 15826671), (3, 5275557), (7, 2260953), (9, 1758519), (21, 753651), (27, 586173), (63, 251217), (81, 195391), (103, 153657), (189, 83739), (271, 58401), (309, 51219), (567, 27913), (721, 21951), (813, 19467), (927, 17073), (1897, 8343), (2163, 7317), (2439, 6489), (2781, 5691)]