13249977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 19470528

約数和(自身を除く): 6220551

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 7901, 23703, 102713, 308139, 339743, 1019229, 4416659, 13249977]

約数ペア:

[(1, 13249977), (3, 4416659), (13, 1019229), (39, 339743), (43, 308139), (129, 102713), (559, 23703), (1677, 7901)]