2805705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2969}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 5702400

約数和(自身を除く): 2896695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2969, 8907, 14845, 20783, 26721, 44535, 62349, 80163, 103915, 133605, 187047, 311745, 400815, 561141, 935235, 2805705]

約数ペア:

[(1, 2805705), (3, 935235), (5, 561141), (7, 400815), (9, 311745), (15, 187047), (21, 133605), (27, 103915), (35, 80163), (45, 62349), (63, 44535), (105, 26721), (135, 20783), (189, 14845), (315, 8907), (945, 2969)]