12178647

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 20818080

約数和(自身を除く): 8639433

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 157, 169, 221, 351, 459, 471, 507, 663, 1413, 1521, 1989, 2041, 2669, 2873, 4239, 4563, 5967, 6123, 8007, 8619, 18369, 24021, 25857, 26533, 34697, 55107, 72063, 77571, 79599, 104091, 238797, 312273, 451061, 716391, 936819, 1353183, 4059549, 12178647]

約数ペア:

[(1, 12178647), (3, 4059549), (9, 1353183), (13, 936819), (17, 716391), (27, 451061), (39, 312273), (51, 238797), (117, 104091), (153, 79599), (157, 77571), (169, 72063), (221, 55107), (351, 34697), (459, 26533), (471, 25857), (507, 24021), (663, 18369), (1413, 8619), (1521, 8007), (1989, 6123), (2041, 5967), (2669, 4563), (2873, 4239)]