221347009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{1283}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 249363072

約数和(自身を除く): 28016063

約数列:

[1, 13, 23, 299, 577, 1283, 7501, 13271, 16679, 29509, 172523, 383617, 740291, 9623783, 17026693, 221347009]

約数ペア:

[(1, 221347009), (13, 17026693), (23, 9623783), (299, 740291), (577, 383617), (1283, 172523), (7501, 29509), (13271, 16679)]