81459791

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 94929408

約数和(自身を除く): 13469617

約数列:

[1, 7, 71, 251, 497, 653, 1757, 4571, 17821, 46363, 124747, 163903, 324541, 1147321, 11637113, 81459791]

約数ペア:

[(1, 81459791), (7, 11637113), (71, 1147321), (251, 324541), (497, 163903), (653, 124747), (1757, 46363), (4571, 17821)]