18443997

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 34110720

約数和(自身を除く): 15666723

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 99, 117, 143, 153, 187, 221, 281, 297, 351, 429, 459, 561, 663, 843, 1287, 1683, 1989, 2431, 2529, 3091, 3653, 3861, 4777, 5049, 5967, 7293, 7587, 9273, 10959, 14331, 21879, 27819, 32877, 40183, 42993, 52547, 62101, 65637, 83457, 98631, 120549, 128979, 157641, 186303, 361647, 472923, 558909, 683111, 1084941, 1418769, 1676727, 2049333, 6147999, 18443997]

約数ペア:

[(1, 18443997), (3, 6147999), (9, 2049333), (11, 1676727), (13, 1418769), (17, 1084941), (27, 683111), (33, 558909), (39, 472923), (51, 361647), (99, 186303), (117, 157641), (143, 128979), (153, 120549), (187, 98631), (221, 83457), (281, 65637), (297, 62101), (351, 52547), (429, 42993), (459, 40183), (561, 32877), (663, 27819), (843, 21879), (1287, 14331), (1683, 10959), (1989, 9273), (2431, 7587), (2529, 7293), (3091, 5967), (3653, 5049), (3861, 4777)]