38897991

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 64484784

約数和(自身を除く): 25586793

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 121, 207, 253, 363, 759, 1089, 1553, 2277, 2783, 4659, 8349, 13977, 17083, 25047, 35719, 51249, 107157, 153747, 187913, 321471, 392909, 563739, 1178727, 1691217, 3536181, 4321999, 12965997, 38897991]

約数ペア:

[(1, 38897991), (3, 12965997), (9, 4321999), (11, 3536181), (23, 1691217), (33, 1178727), (69, 563739), (99, 392909), (121, 321471), (207, 187913), (253, 153747), (363, 107157), (759, 51249), (1089, 35719), (1553, 25047), (2277, 17083), (2783, 13977), (4659, 8349)]