2480385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 4292352

約数和(自身を除く): 1811967

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 137, 213, 255, 355, 411, 685, 1065, 1207, 2055, 2329, 3621, 6035, 6987, 9727, 11645, 18105, 29181, 34935, 48635, 145905, 165359, 496077, 826795, 2480385]

約数ペア:

[(1, 2480385), (3, 826795), (5, 496077), (15, 165359), (17, 145905), (51, 48635), (71, 34935), (85, 29181), (137, 18105), (213, 11645), (255, 9727), (355, 6987), (411, 6035), (685, 3621), (1065, 2329), (1207, 2055)]