81993813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67153}}^1$

素因数の和:67204

約数の個数: 16

約数和(自身を含む): 122488896

約数和(自身を除く): 40495083

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 67153, 201459, 738683, 2216049, 2484661, 7453983, 27331271, 81993813]

約数ペア:

[(1, 81993813), (3, 27331271), (11, 7453983), (33, 2484661), (37, 2216049), (111, 738683), (407, 201459), (1221, 67153)]