1320011

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 1751040

約数和(自身を除く): 431029

約数列:

[1, 7, 11, 31, 49, 77, 79, 217, 341, 539, 553, 869, 1519, 2387, 2449, 3871, 6083, 16709, 17143, 26939, 42581, 120001, 188573, 1320011]

約数ペア:

[(1, 1320011), (7, 188573), (11, 120001), (31, 42581), (49, 26939), (77, 17143), (79, 16709), (217, 6083), (341, 3871), (539, 2449), (553, 2387), (869, 1519)]