240766665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20089}}^1$

素因数の和:20161

約数の個数: 32

約数和(自身を含む): 416586240

約数和(自身を除く): 175819575

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 20089, 60267, 100445, 301335, 341513, 944183, 1024539, 1707565, 2832549, 4720915, 5122695, 14162745, 16051111, 48153333, 80255555, 240766665]

約数ペア:

[(1, 240766665), (3, 80255555), (5, 48153333), (15, 16051111), (17, 14162745), (47, 5122695), (51, 4720915), (85, 2832549), (141, 1707565), (235, 1024539), (255, 944183), (705, 341513), (799, 301335), (2397, 100445), (3995, 60267), (11985, 20089)]