13970957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 19885824

約数和(自身を除く): 5914867

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 821, 1001, 1309, 1547, 2431, 5747, 9031, 10673, 13957, 17017, 63217, 74711, 97699, 117403, 153527, 181441, 821821, 1074689, 1270087, 1995851, 13970957]

約数ペア:

[(1, 13970957), (7, 1995851), (11, 1270087), (13, 1074689), (17, 821821), (77, 181441), (91, 153527), (119, 117403), (143, 97699), (187, 74711), (221, 63217), (821, 17017), (1001, 13957), (1309, 10673), (1547, 9031), (2431, 5747)]