74838975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 128637600

約数和(自身を除く): 53798625

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 149, 181, 185, 447, 543, 555, 745, 905, 925, 2235, 2715, 2775, 3725, 4525, 5513, 6697, 11175, 13575, 16539, 20091, 26969, 27565, 33485, 80907, 82695, 100455, 134845, 137825, 167425, 404535, 413475, 502275, 674225, 997853, 2022675, 2993559, 4989265, 14967795, 24946325, 74838975]

約数ペア:

[(1, 74838975), (3, 24946325), (5, 14967795), (15, 4989265), (25, 2993559), (37, 2022675), (75, 997853), (111, 674225), (149, 502275), (181, 413475), (185, 404535), (447, 167425), (543, 137825), (555, 134845), (745, 100455), (905, 82695), (925, 80907), (2235, 33485), (2715, 27565), (2775, 26969), (3725, 20091), (4525, 16539), (5513, 13575), (6697, 11175)]