28365615

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5783}}^1$

素因数の和:5903

約数の個数: 24

約数和(自身を含む): 49626720

約数和(自身を除く): 21261105

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5783, 17349, 28915, 52047, 86745, 260235, 630347, 1891041, 3151735, 5673123, 9455205, 28365615]

約数ペア:

[(1, 28365615), (3, 9455205), (5, 5673123), (9, 3151735), (15, 1891041), (45, 630347), (109, 260235), (327, 86745), (545, 52047), (981, 28915), (1635, 17349), (4905, 5783)]