72457785

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34259}}^1$

素因数の和:34317

約数の個数: 24

約数和(自身を含む): 128269440

約数和(自身を除く): 55811655

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 34259, 102777, 171295, 308331, 513885, 1541655, 1610173, 4830519, 8050865, 14491557, 24152595, 72457785]

約数ペア:

[(1, 72457785), (3, 24152595), (5, 14491557), (9, 8050865), (15, 4830519), (45, 1610173), (47, 1541655), (141, 513885), (235, 308331), (423, 171295), (705, 102777), (2115, 34259)]