81691779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{6823}}^1$

素因数の和:7146

約数の個数: 16

約数和(自身を含む): 117700352

約数和(自身を除く): 36008573

約数列:

[1, 3, 13, 39, 307, 921, 3991, 6823, 11973, 20469, 88699, 266097, 2094661, 6283983, 27230593, 81691779]

約数ペア:

[(1, 81691779), (3, 27230593), (13, 6283983), (39, 2094661), (307, 266097), (921, 88699), (3991, 20469), (6823, 11973)]