81388515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417377}}^1$

素因数の和:417398

約数の個数: 16

約数和(自身を含む): 140239008

約数和(自身を除く): 58850493

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 417377, 1252131, 2086885, 5425901, 6260655, 16277703, 27129505, 81388515]

約数ペア:

[(1, 81388515), (3, 27129505), (5, 16277703), (13, 6260655), (15, 5425901), (39, 2086885), (65, 1252131), (195, 417377)]