306605439

素因数分解:

$3^3\times 7^1\times {\mathrm{757}}^1\times {\mathrm{2143}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 520048640

約数和(自身を除く): 213443201

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 757, 2143, 2271, 5299, 6429, 6813, 15001, 15897, 19287, 20439, 45003, 47691, 57861, 135009, 143073, 405027, 1622251, 4866753, 11355757, 14600259, 34067271, 43800777, 102201813, 306605439]

約数ペア:

[(1, 306605439), (3, 102201813), (7, 43800777), (9, 34067271), (21, 14600259), (27, 11355757), (63, 4866753), (189, 1622251), (757, 405027), (2143, 143073), (2271, 135009), (5299, 57861), (6429, 47691), (6813, 45003), (15001, 20439), (15897, 19287)]