217274739

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 340943904

約数和(自身を除く): 123669165

約数列:

[1, 3, 11, 17, 33, 51, 121, 137, 187, 257, 363, 411, 561, 771, 1507, 2057, 2329, 2827, 4369, 4521, 6171, 6987, 8481, 13107, 16577, 25619, 31097, 35209, 48059, 49731, 76857, 93291, 105627, 144177, 281809, 387299, 528649, 598553, 845427, 1161897, 1585947, 1795659, 4260289, 6584083, 12780867, 19752249, 72424913, 217274739]

約数ペア:

[(1, 217274739), (3, 72424913), (11, 19752249), (17, 12780867), (33, 6584083), (51, 4260289), (121, 1795659), (137, 1585947), (187, 1161897), (257, 845427), (363, 598553), (411, 528649), (561, 387299), (771, 281809), (1507, 144177), (2057, 105627), (2329, 93291), (2827, 76857), (4369, 49731), (4521, 48059), (6171, 35209), (6987, 31097), (8481, 25619), (13107, 16577)]