313639557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2971}}^1$

素因数の和:3449

約数の個数: 32

約数和(自身を含む): 522691584

約数和(自身を除く): 209052027

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 457, 1371, 2971, 3199, 5027, 8913, 9597, 15081, 20797, 32681, 35189, 62391, 98043, 105567, 228767, 686301, 1357747, 4073241, 9504229, 14935217, 28512687, 44805651, 104546519, 313639557]

約数ペア:

[(1, 313639557), (3, 104546519), (7, 44805651), (11, 28512687), (21, 14935217), (33, 9504229), (77, 4073241), (231, 1357747), (457, 686301), (1371, 228767), (2971, 105567), (3199, 98043), (5027, 62391), (8913, 35189), (9597, 32681), (15081, 20797)]