7198191

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 15095808

約数和(自身を除く): 7897617

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 33, 39, 47, 51, 63, 77, 91, 99, 117, 119, 141, 143, 153, 187, 221, 231, 273, 329, 357, 423, 429, 517, 561, 611, 663, 693, 799, 819, 987, 1001, 1071, 1287, 1309, 1547, 1551, 1683, 1833, 1989, 2397, 2431, 2961, 3003, 3619, 3927, 4277, 4641, 4653, 5499, 5593, 6721, 7191, 7293, 8789, 9009, 10387, 10857, 11781, 12831, 13923, 16779, 17017, 20163, 21879, 26367, 31161, 32571, 38493, 47047, 50337, 51051, 60489, 61523, 72709, 79101, 93483, 114257, 141141, 153153, 184569, 218127, 342771, 423423, 553707, 654381, 799799, 1028313, 2399397, 7198191]

約数ペア:

[(1, 7198191), (3, 2399397), (7, 1028313), (9, 799799), (11, 654381), (13, 553707), (17, 423423), (21, 342771), (33, 218127), (39, 184569), (47, 153153), (51, 141141), (63, 114257), (77, 93483), (91, 79101), (99, 72709), (117, 61523), (119, 60489), (141, 51051), (143, 50337), (153, 47047), (187, 38493), (221, 32571), (231, 31161), (273, 26367), (329, 21879), (357, 20163), (423, 17017), (429, 16779), (517, 13923), (561, 12831), (611, 11781), (663, 10857), (693, 10387), (799, 9009), (819, 8789), (987, 7293), (1001, 7191), (1071, 6721), (1287, 5593), (1309, 5499), (1547, 4653), (1551, 4641), (1683, 4277), (1833, 3927), (1989, 3619), (2397, 3003), (2431, 2961)]