78972621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4903}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 131819520

約数和(自身を除く): 52846899

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 4903, 5369, 14709, 16107, 34321, 63739, 102963, 191217, 289277, 446173, 867831, 1338519, 2024939, 3760601, 6074817, 11281803, 26324207, 78972621]

約数ペア:

[(1, 78972621), (3, 26324207), (7, 11281803), (13, 6074817), (21, 3760601), (39, 2024939), (59, 1338519), (91, 867831), (177, 446173), (273, 289277), (413, 191217), (767, 102963), (1239, 63739), (2301, 34321), (4903, 16107), (5369, 14709)]