15721966273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{720299}}^1$

素因数の和:720408

約数の個数: 16

約数和(自身を含む): 17909539200

約数和(自身を除く): 2187572927

約数列:

[1, 13, 23, 73, 299, 949, 1679, 21827, 720299, 9363887, 16566877, 52581827, 215369401, 683563751, 1209382021, 15721966273]

約数ペア:

[(1, 15721966273), (13, 1209382021), (23, 683563751), (73, 215369401), (299, 52581827), (949, 16566877), (1679, 9363887), (21827, 720299)]