9821427

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 17998848

約数和(自身を除く): 8177421

約数列:

[1, 3, 7, 11, 17, 21, 33, 41, 51, 61, 77, 119, 123, 183, 187, 231, 287, 357, 427, 451, 561, 671, 697, 861, 1037, 1281, 1309, 1353, 2013, 2091, 2501, 3111, 3157, 3927, 4697, 4879, 7259, 7503, 7667, 9471, 11407, 14091, 14637, 17507, 21777, 23001, 27511, 34221, 42517, 52521, 53669, 79849, 82533, 127551, 161007, 192577, 239547, 297619, 467687, 577731, 892857, 1403061, 3273809, 9821427]

約数ペア:

[(1, 9821427), (3, 3273809), (7, 1403061), (11, 892857), (17, 577731), (21, 467687), (33, 297619), (41, 239547), (51, 192577), (61, 161007), (77, 127551), (119, 82533), (123, 79849), (183, 53669), (187, 52521), (231, 42517), (287, 34221), (357, 27511), (427, 23001), (451, 21777), (561, 17507), (671, 14637), (697, 14091), (861, 11407), (1037, 9471), (1281, 7667), (1309, 7503), (1353, 7259), (2013, 4879), (2091, 4697), (2501, 3927), (3111, 3157)]