218156679

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 369976320

約数和(自身を除く): 151819641

約数列:

[1, 3, 9, 13, 23, 27, 39, 61, 69, 117, 183, 207, 299, 351, 443, 549, 621, 793, 897, 1329, 1403, 1647, 2379, 2691, 3987, 4209, 5759, 7137, 8073, 10189, 11961, 12627, 17277, 18239, 21411, 27023, 30567, 37881, 51831, 54717, 81069, 91701, 132457, 155493, 164151, 243207, 275103, 351299, 397371, 492453, 621529, 729621, 1053897, 1192113, 1864587, 3161691, 3576339, 5593761, 8079877, 9485073, 16781283, 24239631, 72718893, 218156679]

約数ペア:

[(1, 218156679), (3, 72718893), (9, 24239631), (13, 16781283), (23, 9485073), (27, 8079877), (39, 5593761), (61, 3576339), (69, 3161691), (117, 1864587), (183, 1192113), (207, 1053897), (299, 729621), (351, 621529), (443, 492453), (549, 397371), (621, 351299), (793, 275103), (897, 243207), (1329, 164151), (1403, 155493), (1647, 132457), (2379, 91701), (2691, 81069), (3987, 54717), (4209, 51831), (5759, 37881), (7137, 30567), (8073, 27023), (10189, 21411), (11961, 18239), (12627, 17277)]