81209490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19759}}^1$

素因数の和:19906

約数の個数: 32

約数和(自身を含む): 196335360

約数和(自身を除く): 115125870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 19759, 39518, 59277, 98795, 118554, 197590, 296385, 592770, 2706983, 5413966, 8120949, 13534915, 16241898, 27069830, 40604745, 81209490]

約数ペア:

[(1, 81209490), (2, 40604745), (3, 27069830), (5, 16241898), (6, 13534915), (10, 8120949), (15, 5413966), (30, 2706983), (137, 592770), (274, 296385), (411, 197590), (685, 118554), (822, 98795), (1370, 59277), (2055, 39518), (4110, 19759)]