68749515

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 123634368

約数和(自身を除く): 54884853

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 157, 185, 263, 333, 471, 555, 785, 789, 1315, 1413, 1665, 2355, 2367, 3945, 5809, 7065, 9731, 11835, 17427, 29045, 29193, 41291, 48655, 52281, 87135, 87579, 123873, 145965, 206455, 261405, 371619, 437895, 619365, 1527767, 1858095, 4583301, 7638835, 13749903, 22916505, 68749515]

約数ペア:

[(1, 68749515), (3, 22916505), (5, 13749903), (9, 7638835), (15, 4583301), (37, 1858095), (45, 1527767), (111, 619365), (157, 437895), (185, 371619), (263, 261405), (333, 206455), (471, 145965), (555, 123873), (785, 87579), (789, 87135), (1315, 52281), (1413, 48655), (1665, 41291), (2355, 29193), (2367, 29045), (3945, 17427), (5809, 11835), (7065, 9731)]