2639469

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 4280320

約数和(自身を除く): 1640851

約数列:

[1, 3, 7, 21, 37, 43, 79, 111, 129, 237, 259, 301, 553, 777, 903, 1591, 1659, 2923, 3397, 4773, 8769, 10191, 11137, 20461, 23779, 33411, 61383, 71337, 125689, 377067, 879823, 2639469]

約数ペア:

[(1, 2639469), (3, 879823), (7, 377067), (21, 125689), (37, 71337), (43, 61383), (79, 33411), (111, 23779), (129, 20461), (237, 11137), (259, 10191), (301, 8769), (553, 4773), (777, 3397), (903, 2923), (1591, 1659)]