81391452

素因数分解:

$2^2\times 3^1\times {\mathrm{6782621}}^1$

素因数の和:6782628

約数の個数: 12

約数和(自身を含む): 189913416

約数和(自身を除く): 108521964

約数列:

[1, 2, 3, 4, 6, 12, 6782621, 13565242, 20347863, 27130484, 40695726, 81391452]

約数ペア:

[(1, 81391452), (2, 40695726), (3, 27130484), (4, 20347863), (6, 13565242), (12, 6782621)]