7420959

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 14388192

約数和(自身を除く): 6967233

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 41, 51, 63, 91, 117, 119, 123, 153, 169, 221, 273, 287, 357, 369, 507, 533, 663, 697, 819, 861, 1071, 1183, 1521, 1547, 1599, 1989, 2091, 2583, 2873, 3549, 3731, 4641, 4797, 4879, 6273, 6929, 8619, 9061, 10647, 11193, 13923, 14637, 20111, 20787, 25857, 27183, 33579, 43911, 48503, 60333, 62361, 63427, 81549, 117793, 145509, 180999, 190281, 353379, 436527, 570843, 824551, 1060137, 2473653, 7420959]

約数ペア:

[(1, 7420959), (3, 2473653), (7, 1060137), (9, 824551), (13, 570843), (17, 436527), (21, 353379), (39, 190281), (41, 180999), (51, 145509), (63, 117793), (91, 81549), (117, 63427), (119, 62361), (123, 60333), (153, 48503), (169, 43911), (221, 33579), (273, 27183), (287, 25857), (357, 20787), (369, 20111), (507, 14637), (533, 13923), (663, 11193), (697, 10647), (819, 9061), (861, 8619), (1071, 6929), (1183, 6273), (1521, 4879), (1547, 4797), (1599, 4641), (1989, 3731), (2091, 3549), (2583, 2873)]