7123215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 12980736

約数和(自身を除く): 5857521

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 1877, 3795, 5631, 9385, 20647, 28155, 43171, 61941, 103235, 129513, 215855, 309705, 474881, 647565, 1424643, 2374405, 7123215]

約数ペア:

[(1, 7123215), (3, 2374405), (5, 1424643), (11, 647565), (15, 474881), (23, 309705), (33, 215855), (55, 129513), (69, 103235), (115, 61941), (165, 43171), (253, 28155), (345, 20647), (759, 9385), (1265, 5631), (1877, 3795)]