400806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3196

約数の個数: 24

約数和(自身を含む): 992784

約数和(自身を除く): 591978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 3181, 6362, 9543, 19086, 22267, 28629, 44534, 57258, 66801, 133602, 200403, 400806]

約数ペア:

[(1, 400806), (2, 200403), (3, 133602), (6, 66801), (7, 57258), (9, 44534), (14, 28629), (18, 22267), (21, 19086), (42, 9543), (63, 6362), (126, 3181)]