78168321

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 148313088

約数和(自身を除く): 70144767

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 83, 99, 151, 189, 231, 249, 297, 453, 567, 581, 693, 747, 891, 913, 1057, 1359, 1661, 1743, 2079, 2241, 2739, 3171, 4077, 4983, 5229, 6237, 6391, 6723, 8217, 9513, 11627, 12231, 12533, 14949, 15687, 19173, 24651, 28539, 34881, 37599, 44847, 47061, 57519, 73953, 85617, 87731, 104643, 112797, 134541, 137863, 172557, 263193, 313929, 338391, 413589, 517671, 789579, 941787, 965041, 1015173, 1240767, 2368737, 2895123, 3722301, 7106211, 8685369, 11166903, 26056107, 78168321]

約数ペア:

[(1, 78168321), (3, 26056107), (7, 11166903), (9, 8685369), (11, 7106211), (21, 3722301), (27, 2895123), (33, 2368737), (63, 1240767), (77, 1015173), (81, 965041), (83, 941787), (99, 789579), (151, 517671), (189, 413589), (231, 338391), (249, 313929), (297, 263193), (453, 172557), (567, 137863), (581, 134541), (693, 112797), (747, 104643), (891, 87731), (913, 85617), (1057, 73953), (1359, 57519), (1661, 47061), (1743, 44847), (2079, 37599), (2241, 34881), (2739, 28539), (3171, 24651), (4077, 19173), (4983, 15687), (5229, 14949), (6237, 12533), (6391, 12231), (6723, 11627), (8217, 9513)]