81649505

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{75253}}^1$

素因数の和:75296

約数の個数: 16

約数和(自身を含む): 115590144

約数和(自身を除く): 33940639

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 75253, 376265, 526771, 2332843, 2633855, 11664215, 16329901, 81649505]

約数ペア:

[(1, 81649505), (5, 16329901), (7, 11664215), (31, 2633855), (35, 2332843), (155, 526771), (217, 376265), (1085, 75253)]