18172785

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 11894415

約数列:

[1, 3, 5, 15, 47, 141, 149, 173, 235, 447, 519, 705, 745, 865, 2235, 2595, 7003, 8131, 21009, 24393, 25777, 35015, 40655, 77331, 105045, 121965, 128885, 386655, 1211519, 3634557, 6057595, 18172785]

約数ペア:

[(1, 18172785), (3, 6057595), (5, 3634557), (15, 1211519), (47, 386655), (141, 128885), (149, 121965), (173, 105045), (235, 77331), (447, 40655), (519, 35015), (705, 25777), (745, 24393), (865, 21009), (2235, 8131), (2595, 7003)]