30771559

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 39603200

約数和(自身を除く): 8831641

約数列:

[1, 7, 13, 49, 67, 91, 103, 343, 469, 637, 721, 871, 1339, 3283, 4459, 5047, 6097, 6901, 9373, 22981, 35329, 42679, 48307, 65611, 89713, 298753, 338149, 459277, 627991, 2367043, 4395937, 30771559]

約数ペア:

[(1, 30771559), (7, 4395937), (13, 2367043), (49, 627991), (67, 459277), (91, 338149), (103, 298753), (343, 89713), (469, 65611), (637, 48307), (721, 42679), (871, 35329), (1339, 22981), (3283, 9373), (4459, 6901), (5047, 6097)]