233669709

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 442608192

約数和(自身を除く): 208938483

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 169, 221, 273, 357, 507, 663, 819, 1071, 1183, 1291, 1521, 1547, 1989, 2873, 3549, 3873, 4641, 8619, 9037, 10647, 11619, 13923, 16783, 20111, 21947, 25857, 27111, 50349, 60333, 65841, 81333, 117481, 151047, 153629, 180999, 197523, 218179, 285311, 352443, 460887, 654537, 855933, 1057329, 1382661, 1527253, 1963611, 1997177, 2567799, 3709043, 4581759, 5991531, 11127129, 13745277, 17974593, 25963301, 33381387, 77889903, 233669709]

約数ペア:

[(1, 233669709), (3, 77889903), (7, 33381387), (9, 25963301), (13, 17974593), (17, 13745277), (21, 11127129), (39, 5991531), (51, 4581759), (63, 3709043), (91, 2567799), (117, 1997177), (119, 1963611), (153, 1527253), (169, 1382661), (221, 1057329), (273, 855933), (357, 654537), (507, 460887), (663, 352443), (819, 285311), (1071, 218179), (1183, 197523), (1291, 180999), (1521, 153629), (1547, 151047), (1989, 117481), (2873, 81333), (3549, 65841), (3873, 60333), (4641, 50349), (8619, 27111), (9037, 25857), (10647, 21947), (11619, 20111), (13923, 16783)]