72411765

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 117936000

約数和(自身を除く): 45524235

約数列:

[1, 3, 5, 15, 149, 179, 181, 447, 537, 543, 745, 895, 905, 2235, 2685, 2715, 26671, 26969, 32399, 80013, 80907, 97197, 133355, 134845, 161995, 400065, 404535, 485985, 4827451, 14482353, 24137255, 72411765]

約数ペア:

[(1, 72411765), (3, 24137255), (5, 14482353), (15, 4827451), (149, 485985), (179, 404535), (181, 400065), (447, 161995), (537, 134845), (543, 133355), (745, 97197), (895, 80907), (905, 80013), (2235, 32399), (2685, 26969), (2715, 26671)]