30997911

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77689}}^1$

素因数の和:77718

約数の個数: 16

約数和(自身を含む): 49721600

約数和(自身を除く): 18723689

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 77689, 233067, 543823, 1476091, 1631469, 4428273, 10332637, 30997911]

約数ペア:

[(1, 30997911), (3, 10332637), (7, 4428273), (19, 1631469), (21, 1476091), (57, 543823), (133, 233067), (399, 77689)]