7400421

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 12635532

約数和(自身を除く): 5235111

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 173, 291, 441, 519, 679, 873, 1211, 1557, 2037, 3633, 4753, 6111, 8477, 10899, 14259, 16781, 25431, 42777, 50343, 76293, 117467, 151029, 352401, 822269, 1057203, 2466807, 7400421]

約数ペア:

[(1, 7400421), (3, 2466807), (7, 1057203), (9, 822269), (21, 352401), (49, 151029), (63, 117467), (97, 76293), (147, 50343), (173, 42777), (291, 25431), (441, 16781), (519, 14259), (679, 10899), (873, 8477), (1211, 6111), (1557, 4753), (2037, 3633)]