425339985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{213203}}^1$

素因数の和:213237

約数の個数: 32

約数和(自身を含む): 818703360

約数和(自身を除く): 393363375

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 213203, 639609, 1066015, 1492421, 3198045, 4050857, 4477263, 7462105, 12152571, 20254285, 22386315, 28355999, 60762855, 85067997, 141779995, 425339985]

約数ペア:

[(1, 425339985), (3, 141779995), (5, 85067997), (7, 60762855), (15, 28355999), (19, 22386315), (21, 20254285), (35, 12152571), (57, 7462105), (95, 4477263), (105, 4050857), (133, 3198045), (285, 1492421), (399, 1066015), (665, 639609), (1995, 213203)]