209517966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1662841}}^1$

素因数の和:1662856

約数の個数: 24

約数和(自身を含む): 518806704

約数和(自身を除く): 309288738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1662841, 3325682, 4988523, 9977046, 11639887, 14965569, 23279774, 29931138, 34919661, 69839322, 104758983, 209517966]

約数ペア:

[(1, 209517966), (2, 104758983), (3, 69839322), (6, 34919661), (7, 29931138), (9, 23279774), (14, 14965569), (18, 11639887), (21, 9977046), (42, 4988523), (63, 3325682), (126, 1662841)]