71831985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4463}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 122135040

約数和(自身を除く): 50303055

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 4463, 5365, 13389, 16095, 22315, 66945, 129427, 165131, 388281, 495393, 647135, 825655, 1941405, 2476965, 4788799, 14366397, 23943995, 71831985]

約数ペア:

[(1, 71831985), (3, 23943995), (5, 14366397), (15, 4788799), (29, 2476965), (37, 1941405), (87, 825655), (111, 647135), (145, 495393), (185, 388281), (435, 165131), (555, 129427), (1073, 66945), (3219, 22315), (4463, 16095), (5365, 13389)]