28924155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16481}}^1$

素因数の和:16508

約数の個数: 32

約数和(自身を含む): 55379520

約数和(自身を除く): 26455365

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16481, 49443, 82405, 148329, 214253, 247215, 444987, 642759, 741645, 1071265, 1928277, 2224935, 3213795, 5784831, 9641385, 28924155]

約数ペア:

[(1, 28924155), (3, 9641385), (5, 5784831), (9, 3213795), (13, 2224935), (15, 1928277), (27, 1071265), (39, 741645), (45, 642759), (65, 444987), (117, 247215), (135, 214253), (195, 148329), (351, 82405), (585, 49443), (1755, 16481)]