66685281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 98958720

約数和(自身を除く): 32273439

約数列:

[1, 3, 13, 39, 59, 73, 177, 219, 397, 767, 949, 1191, 2301, 2847, 4307, 5161, 12921, 15483, 23423, 28981, 55991, 70269, 86943, 167973, 304499, 376753, 913497, 1130259, 1709879, 5129637, 22228427, 66685281]

約数ペア:

[(1, 66685281), (3, 22228427), (13, 5129637), (39, 1709879), (59, 1130259), (73, 913497), (177, 376753), (219, 304499), (397, 167973), (767, 86943), (949, 70269), (1191, 55991), (2301, 28981), (2847, 23423), (4307, 15483), (5161, 12921)]