3979989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 3277611

約数列:

[1, 3, 9, 13, 17, 23, 27, 29, 39, 51, 69, 87, 117, 153, 207, 221, 261, 299, 351, 377, 391, 459, 493, 621, 663, 667, 783, 897, 1131, 1173, 1479, 1989, 2001, 2691, 3393, 3519, 4437, 5083, 5967, 6003, 6409, 8073, 8671, 10179, 10557, 11339, 13311, 15249, 18009, 19227, 26013, 34017, 45747, 57681, 78039, 102051, 137241, 147407, 173043, 234117, 306153, 442221, 1326663, 3979989]

約数ペア:

[(1, 3979989), (3, 1326663), (9, 442221), (13, 306153), (17, 234117), (23, 173043), (27, 147407), (29, 137241), (39, 102051), (51, 78039), (69, 57681), (87, 45747), (117, 34017), (153, 26013), (207, 19227), (221, 18009), (261, 15249), (299, 13311), (351, 11339), (377, 10557), (391, 10179), (459, 8671), (493, 8073), (621, 6409), (663, 6003), (667, 5967), (783, 5083), (897, 4437), (1131, 3519), (1173, 3393), (1479, 2691), (1989, 2001)]