40765221

素因数分解:

$3^3\times 7^1\times {\mathrm{215689}}^1$

素因数の和:215705

約数の個数: 16

約数和(自身を含む): 69020800

約数和(自身を除く): 28255579

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 215689, 647067, 1509823, 1941201, 4529469, 5823603, 13588407, 40765221]

約数ペア:

[(1, 40765221), (3, 13588407), (7, 5823603), (9, 4529469), (21, 1941201), (27, 1509823), (63, 647067), (189, 215689)]