39957489

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 31005711

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 79, 99, 117, 131, 143, 237, 297, 351, 393, 429, 711, 869, 1027, 1179, 1287, 1441, 1703, 2133, 2607, 3081, 3537, 3861, 4323, 5109, 7821, 9243, 10349, 11297, 12969, 15327, 18733, 23463, 27729, 31047, 33891, 38907, 45981, 56199, 93141, 101673, 113839, 134537, 168597, 279423, 305019, 341517, 403611, 505791, 1024551, 1210833, 1479907, 3073653, 3632499, 4439721, 13319163, 39957489]

約数ペア:

[(1, 39957489), (3, 13319163), (9, 4439721), (11, 3632499), (13, 3073653), (27, 1479907), (33, 1210833), (39, 1024551), (79, 505791), (99, 403611), (117, 341517), (131, 305019), (143, 279423), (237, 168597), (297, 134537), (351, 113839), (393, 101673), (429, 93141), (711, 56199), (869, 45981), (1027, 38907), (1179, 33891), (1287, 31047), (1441, 27729), (1703, 23463), (2133, 18733), (2607, 15327), (3081, 12969), (3537, 11297), (3861, 10349), (4323, 9243), (5109, 7821)]