13333131

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6827}}^1$

素因数の和:6871

約数の個数: 24

約数和(自身を含む): 22723584

約数和(自身を除く): 9390453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6827, 20481, 47789, 61443, 143367, 211637, 430101, 634911, 1481459, 1904733, 4444377, 13333131]

約数ペア:

[(1, 13333131), (3, 4444377), (7, 1904733), (9, 1481459), (21, 634911), (31, 430101), (63, 211637), (93, 143367), (217, 61443), (279, 47789), (651, 20481), (1953, 6827)]