81310545

素因数分解:

$3^2\times 5^1\times {\mathrm{1806901}}^1$

素因数の和:1806912

約数の個数: 12

約数和(自身を含む): 140938356

約数和(自身を除く): 59627811

約数列:

[1, 3, 5, 9, 15, 45, 1806901, 5420703, 9034505, 16262109, 27103515, 81310545]

約数ペア:

[(1, 81310545), (3, 27103515), (5, 16262109), (9, 9034505), (15, 5420703), (45, 1806901)]