217490994

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{191791}}^1$

素因数の和:191812

約数の個数: 40

約数和(自身を含む): 556963968

約数和(自身を除く): 339472974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 191791, 383582, 575373, 1150746, 1342537, 1726119, 2685074, 3452238, 4027611, 5178357, 8055222, 10356714, 12082833, 15535071, 24165666, 31070142, 36248499, 72496998, 108745497, 217490994]

約数ペア:

[(1, 217490994), (2, 108745497), (3, 72496998), (6, 36248499), (7, 31070142), (9, 24165666), (14, 15535071), (18, 12082833), (21, 10356714), (27, 8055222), (42, 5178357), (54, 4027611), (63, 3452238), (81, 2685074), (126, 1726119), (162, 1342537), (189, 1150746), (378, 575373), (567, 383582), (1134, 191791)]