28454457

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13017543

約数列:

[1, 3, 19, 57, 71, 79, 89, 213, 237, 267, 1349, 1501, 1691, 4047, 4503, 5073, 5609, 6319, 7031, 16827, 18957, 21093, 106571, 120061, 133589, 319713, 360183, 400767, 499201, 1497603, 9484819, 28454457]

約数ペア:

[(1, 28454457), (3, 9484819), (19, 1497603), (57, 499201), (71, 400767), (79, 360183), (89, 319713), (213, 133589), (237, 120061), (267, 106571), (1349, 21093), (1501, 18957), (1691, 16827), (4047, 7031), (4503, 6319), (5073, 5609)]