15404391

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 23808000

約数和(自身を除く): 8403609

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 199, 423, 549, 597, 1269, 1647, 1791, 2867, 5373, 8601, 9353, 12139, 25803, 28059, 36417, 77409, 84177, 109251, 252531, 327753, 570533, 1711599, 5134797, 15404391]

約数ペア:

[(1, 15404391), (3, 5134797), (9, 1711599), (27, 570533), (47, 327753), (61, 252531), (141, 109251), (183, 84177), (199, 77409), (423, 36417), (549, 28059), (597, 25803), (1269, 12139), (1647, 9353), (1791, 8601), (2867, 5373)]