278989893

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 511795200

約数和(自身を除く): 232805307

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 271, 273, 351, 419, 813, 819, 1257, 1897, 2439, 2457, 2933, 3523, 3771, 5447, 5691, 7317, 8799, 10569, 11313, 16341, 17073, 24661, 26397, 31707, 38129, 49023, 51219, 73983, 79191, 95121, 113549, 114387, 147069, 221949, 340647, 343161, 665847, 794843, 1021941, 1029483, 1476137, 2384529, 3065823, 4428411, 7153587, 10332959, 13285233, 21460761, 30998877, 39855699, 92996631, 278989893]

約数ペア:

[(1, 278989893), (3, 92996631), (7, 39855699), (9, 30998877), (13, 21460761), (21, 13285233), (27, 10332959), (39, 7153587), (63, 4428411), (91, 3065823), (117, 2384529), (189, 1476137), (271, 1029483), (273, 1021941), (351, 794843), (419, 665847), (813, 343161), (819, 340647), (1257, 221949), (1897, 147069), (2439, 114387), (2457, 113549), (2933, 95121), (3523, 79191), (3771, 73983), (5447, 51219), (5691, 49023), (7317, 38129), (8799, 31707), (10569, 26397), (11313, 24661), (16341, 17073)]