399001821

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{7321}}^1$

素因数の和:7852

約数の個数: 16

約数和(自身を含む): 547568448

約数和(自身を除く): 148566627

約数列:

[1, 3, 37, 111, 491, 1473, 7321, 18167, 21963, 54501, 270877, 812631, 3594611, 10783833, 133000607, 399001821]

約数ペア:

[(1, 399001821), (3, 133000607), (37, 10783833), (111, 3594611), (491, 812631), (1473, 270877), (7321, 54501), (18167, 21963)]