9870245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 15261696

約数和(自身を除く): 5391451

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 827, 1085, 1705, 2387, 4135, 5789, 9097, 11935, 25637, 28945, 45485, 63679, 128185, 179459, 282007, 318395, 897295, 1410035, 1974049, 9870245]

約数ペア:

[(1, 9870245), (5, 1974049), (7, 1410035), (11, 897295), (31, 318395), (35, 282007), (55, 179459), (77, 128185), (155, 63679), (217, 45485), (341, 28945), (385, 25637), (827, 11935), (1085, 9097), (1705, 5789), (2387, 4135)]