309968217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 506338560

約数和(自身を除く): 196370343

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 229, 299, 503, 687, 897, 1509, 2061, 2691, 2977, 4527, 5267, 6539, 8931, 11569, 15801, 19617, 26793, 34707, 47403, 58851, 68471, 104121, 115187, 150397, 205413, 345561, 451191, 616239, 1036683, 1353573, 1497431, 2649301, 4492293, 7947903, 13476879, 23843709, 34440913, 103322739, 309968217]

約数ペア:

[(1, 309968217), (3, 103322739), (9, 34440913), (13, 23843709), (23, 13476879), (39, 7947903), (69, 4492293), (117, 2649301), (207, 1497431), (229, 1353573), (299, 1036683), (503, 616239), (687, 451191), (897, 345561), (1509, 205413), (2061, 150397), (2691, 115187), (2977, 104121), (4527, 68471), (5267, 58851), (6539, 47403), (8931, 34707), (11569, 26793), (15801, 19617)]