80521575

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 138848256

約数和(自身を除く): 58326681

約数列:

[1, 3, 5, 15, 25, 47, 53, 75, 141, 159, 235, 265, 431, 705, 795, 1175, 1293, 1325, 2155, 2491, 3525, 3975, 6465, 7473, 10775, 12455, 20257, 22843, 32325, 37365, 60771, 62275, 68529, 101285, 114215, 186825, 303855, 342645, 506425, 571075, 1073621, 1519275, 1713225, 3220863, 5368105, 16104315, 26840525, 80521575]

約数ペア:

[(1, 80521575), (3, 26840525), (5, 16104315), (15, 5368105), (25, 3220863), (47, 1713225), (53, 1519275), (75, 1073621), (141, 571075), (159, 506425), (235, 342645), (265, 303855), (431, 186825), (705, 114215), (795, 101285), (1175, 68529), (1293, 62275), (1325, 60771), (2155, 37365), (2491, 32325), (3525, 22843), (3975, 20257), (6465, 12455), (7473, 10775)]