13212927

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 25350624

約数和(自身を除く): 12137697

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 73, 91, 117, 119, 153, 169, 219, 221, 273, 357, 507, 511, 657, 663, 819, 949, 1071, 1183, 1241, 1521, 1533, 1547, 1989, 2847, 2873, 3549, 3723, 4599, 4641, 6643, 8541, 8619, 8687, 10647, 11169, 12337, 13923, 16133, 19929, 20111, 25857, 26061, 37011, 48399, 59787, 60333, 78183, 86359, 111033, 112931, 145197, 180999, 209729, 259077, 338793, 629187, 777231, 1016379, 1468103, 1887561, 4404309, 13212927]

約数ペア:

[(1, 13212927), (3, 4404309), (7, 1887561), (9, 1468103), (13, 1016379), (17, 777231), (21, 629187), (39, 338793), (51, 259077), (63, 209729), (73, 180999), (91, 145197), (117, 112931), (119, 111033), (153, 86359), (169, 78183), (219, 60333), (221, 59787), (273, 48399), (357, 37011), (507, 26061), (511, 25857), (657, 20111), (663, 19929), (819, 16133), (949, 13923), (1071, 12337), (1183, 11169), (1241, 10647), (1521, 8687), (1533, 8619), (1547, 8541), (1989, 6643), (2847, 4641), (2873, 4599), (3549, 3723)]