28430541

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 15345459

約数列:

[1, 3, 9, 27, 37, 111, 149, 191, 333, 447, 573, 999, 1341, 1719, 4023, 5157, 5513, 7067, 16539, 21201, 28459, 49617, 63603, 85377, 148851, 190809, 256131, 768393, 1052983, 3158949, 9476847, 28430541]

約数ペア:

[(1, 28430541), (3, 9476847), (9, 3158949), (27, 1052983), (37, 768393), (111, 256131), (149, 190809), (191, 148851), (333, 85377), (447, 63603), (573, 49617), (999, 28459), (1341, 21201), (1719, 16539), (4023, 7067), (5157, 5513)]