161788971

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 232070400

約数和(自身を除く): 70281429

約数列:

[1, 3, 19, 57, 101, 157, 179, 303, 471, 537, 1919, 2983, 3401, 5757, 8949, 10203, 15857, 18079, 28103, 47571, 54237, 84309, 301283, 343501, 533957, 903849, 1030503, 1601871, 2838403, 8515209, 53929657, 161788971]

約数ペア:

[(1, 161788971), (3, 53929657), (19, 8515209), (57, 2838403), (101, 1601871), (157, 1030503), (179, 903849), (303, 533957), (471, 343501), (537, 301283), (1919, 84309), (2983, 54237), (3401, 47571), (5757, 28103), (8949, 18079), (10203, 15857)]