12972219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{683}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 18692352

約数和(自身を除く): 5720133

約数列:

[1, 3, 13, 39, 487, 683, 1461, 2049, 6331, 8879, 18993, 26637, 332621, 997863, 4324073, 12972219]

約数ペア:

[(1, 12972219), (3, 4324073), (13, 997863), (39, 332621), (487, 26637), (683, 18993), (1461, 8879), (2049, 6331)]