81404979

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7338

約数の個数: 16

約数和(自身を含む): 112161024

約数和(自身を除く): 30756045

約数列:

[1, 3, 53, 71, 159, 213, 3763, 7211, 11289, 21633, 382183, 511981, 1146549, 1535943, 27134993, 81404979]

約数ペア:

[(1, 81404979), (3, 27134993), (53, 1535943), (71, 1146549), (159, 511981), (213, 382183), (3763, 21633), (7211, 11289)]