628756485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{881}}^1\times {\mathrm{971}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 1172791872

約数和(自身を除く): 544035387

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 881, 971, 2643, 2913, 4405, 4855, 6167, 6797, 13215, 14565, 18501, 20391, 30835, 33985, 43169, 47579, 92505, 101955, 129507, 142737, 215845, 237895, 647535, 713685, 855451, 2566353, 4277255, 5988157, 12831765, 17964471, 29940785, 41917099, 89822355, 125751297, 209585495, 628756485]

約数ペア:

[(1, 628756485), (3, 209585495), (5, 125751297), (7, 89822355), (15, 41917099), (21, 29940785), (35, 17964471), (49, 12831765), (105, 5988157), (147, 4277255), (245, 2566353), (735, 855451), (881, 713685), (971, 647535), (2643, 237895), (2913, 215845), (4405, 142737), (4855, 129507), (6167, 101955), (6797, 92505), (13215, 47579), (14565, 43169), (18501, 33985), (20391, 30835)]