215993881

素因数分解:

${\mathrm{19}}^2\times {\mathrm{727}}^1\times {\mathrm{823}}^1$

素因数の和:1588

約数の個数: 12

約数和(自身を含む): 228551232

約数和(自身を除く): 12557351

約数列:

[1, 19, 361, 727, 823, 13813, 15637, 262447, 297103, 598321, 11368099, 215993881]

約数ペア:

[(1, 215993881), (19, 11368099), (361, 598321), (727, 297103), (823, 262447), (13813, 15637)]