639712065

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{907393}}^1$

素因数の和:907448

約数の個数: 16

約数和(自身を含む): 1045317888

約数和(自身を除く): 405605823

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 907393, 2722179, 4536965, 13610895, 42647471, 127942413, 213237355, 639712065]

約数ペア:

[(1, 639712065), (3, 213237355), (5, 127942413), (15, 42647471), (47, 13610895), (141, 4536965), (235, 2722179), (705, 907393)]