664759827

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{991}}^1\times {\mathrm{1021}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 975298688

約数和(自身を除く): 310538861

約数列:

[1, 3, 9, 73, 219, 657, 991, 1021, 2973, 3063, 8919, 9189, 72343, 74533, 217029, 223599, 651087, 670797, 1011811, 3035433, 9106299, 73862203, 221586609, 664759827]

約数ペア:

[(1, 664759827), (3, 221586609), (9, 73862203), (73, 9106299), (219, 3035433), (657, 1011811), (991, 670797), (1021, 651087), (2973, 223599), (3063, 217029), (8919, 74533), (9189, 72343)]