31006899

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 56519424

約数和(自身を除く): 25512525

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 303, 443, 693, 707, 909, 1111, 1329, 2121, 3101, 3333, 3987, 4873, 6363, 7777, 9303, 9999, 14619, 23331, 27909, 34111, 43857, 44743, 69993, 102333, 134229, 306999, 313201, 402687, 492173, 939603, 1476519, 2818809, 3445211, 4429557, 10335633, 31006899]

約数ペア:

[(1, 31006899), (3, 10335633), (7, 4429557), (9, 3445211), (11, 2818809), (21, 1476519), (33, 939603), (63, 492173), (77, 402687), (99, 313201), (101, 306999), (231, 134229), (303, 102333), (443, 69993), (693, 44743), (707, 43857), (909, 34111), (1111, 27909), (1329, 23331), (2121, 14619), (3101, 9999), (3333, 9303), (3987, 7777), (4873, 6363)]