201231771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1181}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 307395648

約数和(自身を除く): 106163877

約数列:

[1, 3, 13, 17, 39, 51, 221, 257, 663, 771, 1181, 3341, 3543, 4369, 10023, 13107, 15353, 20077, 46059, 56797, 60231, 170391, 261001, 303517, 783003, 910551, 3945721, 5159789, 11837163, 15479367, 67077257, 201231771]

約数ペア:

[(1, 201231771), (3, 67077257), (13, 15479367), (17, 11837163), (39, 5159789), (51, 3945721), (221, 910551), (257, 783003), (663, 303517), (771, 261001), (1181, 170391), (3341, 60231), (3543, 56797), (4369, 46059), (10023, 20077), (13107, 15353)]