381618867

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{297907}}^1$

素因数の和:297978

約数の個数: 16

約数和(自身を含む): 591049472

約数和(自身を除く): 209430605

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 297907, 893721, 2085349, 6256047, 18172327, 54516981, 127206289, 381618867]

約数ペア:

[(1, 381618867), (3, 127206289), (7, 54516981), (21, 18172327), (61, 6256047), (183, 2085349), (427, 893721), (1281, 297907)]