64911721

素因数分解:

$7^3\times {\mathrm{97}}^1\times {\mathrm{1951}}^1$

素因数の和:2069

約数の個数: 16

約数和(自身を含む): 76518400

約数和(自身を除く): 11606679

約数列:

[1, 7, 49, 97, 343, 679, 1951, 4753, 13657, 33271, 95599, 189247, 669193, 1324729, 9273103, 64911721]

約数ペア:

[(1, 64911721), (7, 9273103), (49, 1324729), (97, 669193), (343, 189247), (679, 95599), (1951, 33271), (4753, 13657)]