9980047

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 13307904

約数和(自身を除く): 3327857

約数列:

[1, 7, 11, 31, 37, 77, 113, 217, 259, 341, 407, 791, 1147, 1243, 2387, 2849, 3503, 4181, 8029, 8701, 12617, 24521, 29267, 38533, 45991, 88319, 129611, 269731, 321937, 907277, 1425721, 9980047]

約数ペア:

[(1, 9980047), (7, 1425721), (11, 907277), (31, 321937), (37, 269731), (77, 129611), (113, 88319), (217, 45991), (259, 38533), (341, 29267), (407, 24521), (791, 12617), (1147, 8701), (1243, 8029), (2387, 4181), (2849, 3503)]