199318917

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{33071}}^1$

素因数の和:33129

約数の個数: 24

約数和(自身を含む): 316697472

約数和(自身を除く): 117378555

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 33071, 99213, 231497, 694491, 1355911, 1620479, 4067733, 4861437, 9491377, 28474131, 66439639, 199318917]

約数ペア:

[(1, 199318917), (3, 66439639), (7, 28474131), (21, 9491377), (41, 4861437), (49, 4067733), (123, 1620479), (147, 1355911), (287, 694491), (861, 231497), (2009, 99213), (6027, 33071)]