47991321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40125

約数の個数: 24

約数和(自身を含む): 83395520

約数和(自身を除く): 35404199

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 40093, 120279, 280651, 360837, 761767, 841953, 2285301, 2525859, 5332369, 6855903, 15997107, 47991321]

約数ペア:

[(1, 47991321), (3, 15997107), (7, 6855903), (9, 5332369), (19, 2525859), (21, 2285301), (57, 841953), (63, 761767), (133, 360837), (171, 280651), (399, 120279), (1197, 40093)]