16919577

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 26112000

約数和(自身を除く): 9192423

約数列:

[1, 3, 9, 27, 47, 67, 141, 199, 201, 423, 597, 603, 1269, 1791, 1809, 3149, 5373, 9353, 9447, 13333, 28059, 28341, 39999, 84177, 85023, 119997, 252531, 359991, 626651, 1879953, 5639859, 16919577]

約数ペア:

[(1, 16919577), (3, 5639859), (9, 1879953), (27, 626651), (47, 359991), (67, 252531), (141, 119997), (199, 85023), (201, 84177), (423, 39999), (597, 28341), (603, 28059), (1269, 13333), (1791, 9447), (1809, 9353), (3149, 5373)]