642089235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{6473}}^1$

素因数の和:6887

約数の個数: 32

約数和(自身を含む): 1090739520

約数和(自身を除く): 448650285

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 389, 1167, 1945, 5835, 6473, 6613, 19419, 19839, 32365, 33065, 97095, 99195, 110041, 330123, 550205, 1650615, 2517997, 7553991, 12589985, 37769955, 42805949, 128417847, 214029745, 642089235]

約数ペア:

[(1, 642089235), (3, 214029745), (5, 128417847), (15, 42805949), (17, 37769955), (51, 12589985), (85, 7553991), (255, 2517997), (389, 1650615), (1167, 550205), (1945, 330123), (5835, 110041), (6473, 99195), (6613, 97095), (19419, 33065), (19839, 32365)]