68841279

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 118540800

約数和(自身を除く): 49699521

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 83, 117, 139, 153, 221, 249, 351, 417, 459, 663, 747, 1079, 1251, 1411, 1807, 1989, 2241, 2363, 3237, 3753, 4233, 5421, 5967, 7089, 9711, 11537, 12699, 16263, 18343, 21267, 29133, 30719, 34611, 38097, 48789, 55029, 63801, 92157, 103833, 149981, 165087, 196129, 276471, 311499, 449943, 495261, 588387, 829413, 1349829, 1765161, 2549677, 4049487, 5295483, 7649031, 22947093, 68841279]

約数ペア:

[(1, 68841279), (3, 22947093), (9, 7649031), (13, 5295483), (17, 4049487), (27, 2549677), (39, 1765161), (51, 1349829), (83, 829413), (117, 588387), (139, 495261), (153, 449943), (221, 311499), (249, 276471), (351, 196129), (417, 165087), (459, 149981), (663, 103833), (747, 92157), (1079, 63801), (1251, 55029), (1411, 48789), (1807, 38097), (1989, 34611), (2241, 30719), (2363, 29133), (3237, 21267), (3753, 18343), (4233, 16263), (5421, 12699), (5967, 11537), (7089, 9711)]