68807721

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4233

約数の個数: 24

約数和(自身を含む): 102611680

約数和(自身を除く): 33803959

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 4177, 5491, 12531, 16473, 71009, 79363, 213027, 238089, 1207153, 1349171, 3621459, 4047513, 22935907, 68807721]

約数ペア:

[(1, 68807721), (3, 22935907), (17, 4047513), (19, 3621459), (51, 1349171), (57, 1207153), (289, 238089), (323, 213027), (867, 79363), (969, 71009), (4177, 16473), (5491, 12531)]