278300529

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11491}}^1$

素因数の和:11539

約数の個数: 40

約数和(自身を含む): 467218752

約数和(自身を除く): 188918223

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1863, 2691, 8073, 11491, 24219, 34473, 103419, 149383, 264293, 310257, 448149, 792879, 930771, 1344447, 2378637, 3435809, 4033341, 7135911, 10307427, 12100023, 21407733, 30922281, 92766843, 278300529]

約数ペア:

[(1, 278300529), (3, 92766843), (9, 30922281), (13, 21407733), (23, 12100023), (27, 10307427), (39, 7135911), (69, 4033341), (81, 3435809), (117, 2378637), (207, 1344447), (299, 930771), (351, 792879), (621, 448149), (897, 310257), (1053, 264293), (1863, 149383), (2691, 103419), (8073, 34473), (11491, 24219)]