217847367

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3623}}^1$

素因数の和:3780

約数の個数: 32

約数和(自身を含む): 344424960

約数和(自身を除く): 126577593

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 393, 459, 1179, 2227, 3537, 3623, 6681, 10869, 20043, 32607, 60129, 61591, 97821, 184773, 474613, 554319, 1423839, 1662957, 4271517, 8068421, 12814551, 24205263, 72615789, 217847367]

約数ペア:

[(1, 217847367), (3, 72615789), (9, 24205263), (17, 12814551), (27, 8068421), (51, 4271517), (131, 1662957), (153, 1423839), (393, 554319), (459, 474613), (1179, 184773), (2227, 97821), (3537, 61591), (3623, 60129), (6681, 32607), (10869, 20043)]