81079236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321743}}^1$

素因数の和:321760

約数の個数: 36

約数和(自身を含む): 234229632

約数和(自身を除く): 153150396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321743, 643486, 965229, 1286972, 1930458, 2252201, 2895687, 3860916, 4504402, 5791374, 6756603, 9008804, 11582748, 13513206, 20269809, 27026412, 40539618, 81079236]

約数ペア:

[(1, 81079236), (2, 40539618), (3, 27026412), (4, 20269809), (6, 13513206), (7, 11582748), (9, 9008804), (12, 6756603), (14, 5791374), (18, 4504402), (21, 3860916), (28, 2895687), (36, 2252201), (42, 1930458), (63, 1286972), (84, 965229), (126, 643486), (252, 321743)]