397495854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{3154729}}^1$

素因数の和:3154744

約数の個数: 24

約数和(自身を含む): 984275760

約数和(自身を除く): 586779906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 3154729, 6309458, 9464187, 18928374, 22083103, 28392561, 44166206, 56785122, 66249309, 132498618, 198747927, 397495854]

約数ペア:

[(1, 397495854), (2, 198747927), (3, 132498618), (6, 66249309), (7, 56785122), (9, 44166206), (14, 28392561), (18, 22083103), (21, 18928374), (42, 9464187), (63, 6309458), (126, 3154729)]