2004015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1544145

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 239, 559, 645, 717, 1195, 1677, 2795, 3107, 3585, 8385, 9321, 10277, 15535, 30831, 46605, 51385, 133601, 154155, 400803, 668005, 2004015]

約数ペア:

[(1, 2004015), (3, 668005), (5, 400803), (13, 154155), (15, 133601), (39, 51385), (43, 46605), (65, 30831), (129, 15535), (195, 10277), (215, 9321), (239, 8385), (559, 3585), (645, 3107), (717, 2795), (1195, 1677)]