28303215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 48113040

約数和(自身を除く): 19809825

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 6529, 19587, 32645, 97935, 110993, 332979, 554965, 1664895, 1886881, 5660643, 9434405, 28303215]

約数ペア:

[(1, 28303215), (3, 9434405), (5, 5660643), (15, 1886881), (17, 1664895), (51, 554965), (85, 332979), (255, 110993), (289, 97935), (867, 32645), (1445, 19587), (4335, 6529)]