2205945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 4492800

約数和(自身を除く): 2286855

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 149, 235, 315, 329, 423, 447, 705, 745, 987, 1043, 1341, 1645, 2115, 2235, 2961, 3129, 4935, 5215, 6705, 7003, 9387, 14805, 15645, 21009, 35015, 46935, 49021, 63027, 105045, 147063, 245105, 315135, 441189, 735315, 2205945]

約数ペア:

[(1, 2205945), (3, 735315), (5, 441189), (7, 315135), (9, 245105), (15, 147063), (21, 105045), (35, 63027), (45, 49021), (47, 46935), (63, 35015), (105, 21009), (141, 15645), (149, 14805), (235, 9387), (315, 7003), (329, 6705), (423, 5215), (447, 4935), (705, 3129), (745, 2961), (987, 2235), (1043, 2115), (1341, 1645)]