72825417

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 126796800

約数和(自身を除く): 53971383

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 651, 761, 1029, 1519, 1953, 2283, 3087, 4557, 5327, 6849, 10633, 13671, 15981, 23591, 31899, 37289, 47943, 70773, 95697, 111867, 165137, 212319, 261023, 335601, 495411, 783069, 1155959, 1486233, 2349207, 3467877, 8091713, 10403631, 24275139, 72825417]

約数ペア:

[(1, 72825417), (3, 24275139), (7, 10403631), (9, 8091713), (21, 3467877), (31, 2349207), (49, 1486233), (63, 1155959), (93, 783069), (147, 495411), (217, 335601), (279, 261023), (343, 212319), (441, 165137), (651, 111867), (761, 95697), (1029, 70773), (1519, 47943), (1953, 37289), (2283, 31899), (3087, 23591), (4557, 15981), (5327, 13671), (6849, 10633)]