18568179

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 13510413

約数列:

[1, 3, 7, 9, 21, 53, 63, 67, 83, 159, 201, 249, 371, 469, 477, 581, 603, 747, 1113, 1407, 1743, 3339, 3551, 4221, 4399, 5229, 5561, 10653, 13197, 16683, 24857, 30793, 31959, 38927, 39591, 50049, 74571, 92379, 116781, 223713, 277137, 294733, 350343, 884199, 2063131, 2652597, 6189393, 18568179]

約数ペア:

[(1, 18568179), (3, 6189393), (7, 2652597), (9, 2063131), (21, 884199), (53, 350343), (63, 294733), (67, 277137), (83, 223713), (159, 116781), (201, 92379), (249, 74571), (371, 50049), (469, 39591), (477, 38927), (581, 31959), (603, 30793), (747, 24857), (1113, 16683), (1407, 13197), (1743, 10653), (3339, 5561), (3551, 5229), (4221, 4399)]