42120393

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 66539520

約数和(自身を除く): 24419127

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 359, 453, 777, 1057, 1077, 2513, 3171, 5587, 7539, 13283, 16761, 39109, 39849, 54209, 92981, 117327, 162627, 278943, 379463, 1138389, 2005733, 6017199, 14040131, 42120393]

約数ペア:

[(1, 42120393), (3, 14040131), (7, 6017199), (21, 2005733), (37, 1138389), (111, 379463), (151, 278943), (259, 162627), (359, 117327), (453, 92981), (777, 54209), (1057, 39849), (1077, 39109), (2513, 16761), (3171, 13283), (5587, 7539)]