308990157

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1621}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 488935680

約数和(自身を除く): 179945523

約数列:

[1, 3, 7, 21, 29, 87, 203, 313, 609, 939, 1621, 2191, 4863, 6573, 9077, 11347, 27231, 34041, 47009, 63539, 141027, 190617, 329063, 507373, 987189, 1522119, 3551611, 10654833, 14713817, 44141451, 102996719, 308990157]

約数ペア:

[(1, 308990157), (3, 102996719), (7, 44141451), (21, 14713817), (29, 10654833), (87, 3551611), (203, 1522119), (313, 987189), (609, 507373), (939, 329063), (1621, 190617), (2191, 141027), (4863, 63539), (6573, 47009), (9077, 34041), (11347, 27231)]