81805215

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{65707}}^1$

素因数の和:65798

約数の個数: 16

約数和(自身を含む): 132467328

約数和(自身を除く): 50662113

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 65707, 197121, 328535, 985605, 5453681, 16361043, 27268405, 81805215]

約数ペア:

[(1, 81805215), (3, 27268405), (5, 16361043), (15, 5453681), (83, 985605), (249, 328535), (415, 197121), (1245, 65707)]