80947971

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 138915840

約数和(自身を除く): 57967869

約数列:

[1, 3, 9, 13, 23, 27, 37, 39, 69, 111, 117, 207, 271, 299, 333, 351, 481, 621, 813, 851, 897, 999, 1443, 2439, 2553, 2691, 3523, 4329, 6233, 7317, 7659, 8073, 10027, 10569, 11063, 12987, 18699, 22977, 30081, 31707, 33189, 56097, 81029, 90243, 95121, 99567, 130351, 168291, 230621, 243087, 270729, 298701, 391053, 691863, 729261, 1173159, 2075589, 2187783, 2998073, 3519477, 6226767, 8994219, 26982657, 80947971]

約数ペア:

[(1, 80947971), (3, 26982657), (9, 8994219), (13, 6226767), (23, 3519477), (27, 2998073), (37, 2187783), (39, 2075589), (69, 1173159), (111, 729261), (117, 691863), (207, 391053), (271, 298701), (299, 270729), (333, 243087), (351, 230621), (481, 168291), (621, 130351), (813, 99567), (851, 95121), (897, 90243), (999, 81029), (1443, 56097), (2439, 33189), (2553, 31707), (2691, 30081), (3523, 22977), (4329, 18699), (6233, 12987), (7317, 11063), (7659, 10569), (8073, 10027)]