64781283

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2237}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 101032272

約数和(自身を除く): 36250989

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 2237, 4137, 6711, 9653, 15659, 28959, 46977, 109613, 328839, 440689, 1322067, 3084823, 9254469, 21593761, 64781283]

約数ペア:

[(1, 64781283), (3, 21593761), (7, 9254469), (21, 3084823), (49, 1322067), (147, 440689), (197, 328839), (591, 109613), (1379, 46977), (2237, 28959), (4137, 15659), (6711, 9653)]