1641993

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 2332800

約数和(自身を除く): 690807

約数列:

[1, 3, 23, 53, 69, 159, 449, 1219, 1347, 3657, 10327, 23797, 30981, 71391, 547331, 1641993]

約数ペア:

[(1, 1641993), (3, 547331), (23, 71391), (53, 30981), (69, 23797), (159, 10327), (449, 3657), (1219, 1347)]