201321489621

素因数分解:

$3^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{2744557}}^1$

素因数の和:2745073

約数の個数: 24

約数和(自身を含む): 312879612000

約数和(自身を除く): 111558122379

約数列:

[1, 3, 7, 21, 49, 147, 499, 1497, 3493, 10479, 24451, 73353, 2744557, 8233671, 19211899, 57635697, 134483293, 403449879, 1369533943, 4108601829, 9586737601, 28760212803, 67107163207, 201321489621]

約数ペア:

[(1, 201321489621), (3, 67107163207), (7, 28760212803), (21, 9586737601), (49, 4108601829), (147, 1369533943), (499, 403449879), (1497, 134483293), (3493, 57635697), (10479, 19211899), (24451, 8233671), (73353, 2744557)]