81974607

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 55919793

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 89, 113, 143, 209, 247, 267, 339, 429, 627, 741, 979, 1157, 1243, 1469, 1691, 2147, 2717, 2937, 3471, 3729, 4407, 5073, 6441, 8151, 10057, 12727, 16159, 18601, 21983, 23617, 27911, 30171, 38181, 48477, 55803, 65949, 70851, 83733, 110627, 130741, 191083, 241813, 307021, 331881, 392223, 573249, 725439, 921063, 1438151, 2101913, 2484079, 4314453, 6305739, 7452237, 27324869, 81974607]

約数ペア:

[(1, 81974607), (3, 27324869), (11, 7452237), (13, 6305739), (19, 4314453), (33, 2484079), (39, 2101913), (57, 1438151), (89, 921063), (113, 725439), (143, 573249), (209, 392223), (247, 331881), (267, 307021), (339, 241813), (429, 191083), (627, 130741), (741, 110627), (979, 83733), (1157, 70851), (1243, 65949), (1469, 55803), (1691, 48477), (2147, 38181), (2717, 30171), (2937, 27911), (3471, 23617), (3729, 21983), (4407, 18601), (5073, 16159), (6441, 12727), (8151, 10057)]