13931253

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 23115456

約数和(自身を除く): 9184203

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 881, 1757, 2259, 2643, 5271, 6167, 7929, 15813, 18501, 55503, 221131, 663393, 1547917, 1990179, 4643751, 13931253]

約数ペア:

[(1, 13931253), (3, 4643751), (7, 1990179), (9, 1547917), (21, 663393), (63, 221131), (251, 55503), (753, 18501), (881, 15813), (1757, 7929), (2259, 6167), (2643, 5271)]