864945

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 1584000

約数和(自身を除く): 719055

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 149, 215, 387, 447, 645, 745, 1161, 1341, 1935, 2235, 4023, 5805, 6407, 6705, 19221, 20115, 32035, 57663, 96105, 172989, 288315, 864945]

約数ペア:

[(1, 864945), (3, 288315), (5, 172989), (9, 96105), (15, 57663), (27, 32035), (43, 20115), (45, 19221), (129, 6705), (135, 6407), (149, 5805), (215, 4023), (387, 2235), (447, 1935), (645, 1341), (745, 1161)]