26778621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{9907}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 38522304

約数和(自身を除く): 11743683

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 9907, 29721, 168419, 505257, 525071, 1575213, 8926207, 26778621]

約数ペア:

[(1, 26778621), (3, 8926207), (17, 1575213), (51, 525071), (53, 505257), (159, 168419), (901, 29721), (2703, 9907)]