219871401

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 319040640

約数和(自身を除く): 99169239

約数列:

[1, 3, 19, 53, 57, 73, 159, 219, 997, 1007, 1387, 2991, 3021, 3869, 4161, 11607, 18943, 52841, 56829, 72781, 73511, 158523, 218343, 220533, 1003979, 1382839, 3011937, 3857393, 4148517, 11572179, 73290467, 219871401]

約数ペア:

[(1, 219871401), (3, 73290467), (19, 11572179), (53, 4148517), (57, 3857393), (73, 3011937), (159, 1382839), (219, 1003979), (997, 220533), (1007, 218343), (1387, 158523), (2991, 73511), (3021, 72781), (3869, 56829), (4161, 52841), (11607, 18943)]