28957731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 14587869

約数列:

[1, 3, 11, 33, 59, 107, 139, 177, 321, 417, 649, 1177, 1529, 1947, 3531, 4587, 6313, 8201, 14873, 18939, 24603, 44619, 69443, 90211, 163603, 208329, 270633, 490809, 877507, 2632521, 9652577, 28957731]

約数ペア:

[(1, 28957731), (3, 9652577), (11, 2632521), (33, 877507), (59, 490809), (107, 270633), (139, 208329), (177, 163603), (321, 90211), (417, 69443), (649, 44619), (1177, 24603), (1529, 18939), (1947, 14873), (3531, 8201), (4587, 6313)]