27980043

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{907}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 46373376

約数和(自身を除く): 18393333

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 791, 907, 1469, 2373, 2721, 4407, 6349, 10283, 11791, 19047, 30849, 35373, 82537, 102491, 247611, 307473, 717437, 1332383, 2152311, 3997149, 9326681, 27980043]

約数ペア:

[(1, 27980043), (3, 9326681), (7, 3997149), (13, 2152311), (21, 1332383), (39, 717437), (91, 307473), (113, 247611), (273, 102491), (339, 82537), (791, 35373), (907, 30849), (1469, 19047), (2373, 11791), (2721, 10283), (4407, 6349)]