51345567

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 92671488

約数和(自身を除く): 41325921

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 497, 639, 819, 883, 923, 1491, 2649, 2769, 4473, 6181, 6461, 7947, 8307, 11479, 18543, 19383, 34437, 55629, 58149, 62693, 80353, 103311, 188079, 241059, 438851, 564237, 723177, 815009, 1316553, 2445027, 3949659, 5705063, 7335081, 17115189, 51345567]

約数ペア:

[(1, 51345567), (3, 17115189), (7, 7335081), (9, 5705063), (13, 3949659), (21, 2445027), (39, 1316553), (63, 815009), (71, 723177), (91, 564237), (117, 438851), (213, 241059), (273, 188079), (497, 103311), (639, 80353), (819, 62693), (883, 58149), (923, 55629), (1491, 34437), (2649, 19383), (2769, 18543), (4473, 11479), (6181, 8307), (6461, 7947)]