7812945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 16398720

約数和(自身を除く): 8585775

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1459, 1785, 4377, 5355, 7295, 10213, 13131, 21885, 24803, 30639, 51065, 65655, 74409, 91917, 124015, 153195, 173621, 223227, 372045, 459585, 520863, 868105, 1116135, 1562589, 2604315, 7812945]

約数ペア:

[(1, 7812945), (3, 2604315), (5, 1562589), (7, 1116135), (9, 868105), (15, 520863), (17, 459585), (21, 372045), (35, 223227), (45, 173621), (51, 153195), (63, 124015), (85, 91917), (105, 74409), (119, 65655), (153, 51065), (255, 30639), (315, 24803), (357, 21885), (595, 13131), (765, 10213), (1071, 7295), (1459, 5355), (1785, 4377)]