9881781

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5171}}^1$

素因数の和:5201

約数の個数: 24

約数和(自身を含む): 16509024

約数和(自身を除く): 6627243

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 5171, 15513, 36197, 67223, 108591, 201669, 253379, 470561, 760137, 1411683, 3293927, 9881781]

約数ペア:

[(1, 9881781), (3, 3293927), (7, 1411683), (13, 760137), (21, 470561), (39, 253379), (49, 201669), (91, 108591), (147, 67223), (273, 36197), (637, 15513), (1911, 5171)]