420078

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1379

約数の個数: 16

約数和(自身を含む): 856656

約数和(自身を除く): 436578

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 1321, 2642, 3963, 7926, 70013, 140026, 210039, 420078]

約数ペア:

[(1, 420078), (2, 210039), (3, 140026), (6, 70013), (53, 7926), (106, 3963), (159, 2642), (318, 1321)]