25750221

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1907}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 39320064

約数和(自身を除く): 13569843

約数列:

[1, 3, 7, 21, 643, 1907, 1929, 4501, 5721, 13349, 13503, 40047, 1226201, 3678603, 8583407, 25750221]

約数ペア:

[(1, 25750221), (3, 8583407), (7, 3678603), (21, 1226201), (643, 40047), (1907, 13503), (1929, 13349), (4501, 5721)]