840402

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 1900800

約数和(自身を除く): 1060398

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 197, 237, 394, 474, 591, 711, 1182, 1422, 1773, 2133, 3546, 4266, 5319, 10638, 15563, 31126, 46689, 93378, 140067, 280134, 420201, 840402]

約数ペア:

[(1, 840402), (2, 420201), (3, 280134), (6, 140067), (9, 93378), (18, 46689), (27, 31126), (54, 15563), (79, 10638), (158, 5319), (197, 4266), (237, 3546), (394, 2133), (474, 1773), (591, 1422), (711, 1182)]