1900196697

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{138569}}^1$

素因数の和:139232

約数の個数: 16

約数和(自身を含む): 2899992960

約数和(自身を除く): 999796263

約数列:

[1, 3, 7, 21, 653, 1959, 4571, 13713, 138569, 415707, 969983, 2909949, 90485557, 271456671, 633398899, 1900196697]

約数ペア:

[(1, 1900196697), (3, 633398899), (7, 271456671), (21, 90485557), (653, 2909949), (1959, 969983), (4571, 415707), (13713, 138569)]