7918407

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 13911040

約数和(自身を除く): 5992633

約数列:

[1, 3, 7, 9, 21, 37, 43, 63, 79, 111, 129, 237, 259, 301, 333, 387, 553, 711, 777, 903, 1591, 1659, 2331, 2709, 2923, 3397, 4773, 4977, 8769, 10191, 11137, 14319, 20461, 23779, 26307, 30573, 33411, 61383, 71337, 100233, 125689, 184149, 214011, 377067, 879823, 1131201, 2639469, 7918407]

約数ペア:

[(1, 7918407), (3, 2639469), (7, 1131201), (9, 879823), (21, 377067), (37, 214011), (43, 184149), (63, 125689), (79, 100233), (111, 71337), (129, 61383), (237, 33411), (259, 30573), (301, 26307), (333, 23779), (387, 20461), (553, 14319), (711, 11137), (777, 10191), (903, 8769), (1591, 4977), (1659, 4773), (2331, 3397), (2709, 2923)]