13181861

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 16853760

約数和(自身を除く): 3671899

約数列:

[1, 7, 11, 77, 79, 121, 197, 553, 847, 869, 1379, 2167, 6083, 9559, 15169, 15563, 23837, 66913, 108941, 166859, 171193, 1198351, 1883123, 13181861]

約数ペア:

[(1, 13181861), (7, 1883123), (11, 1198351), (77, 171193), (79, 166859), (121, 108941), (197, 66913), (553, 23837), (847, 15563), (869, 15169), (1379, 9559), (2167, 6083)]