747742021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{139}}^2\times {\mathrm{229}}^1$

素因数の和:533

約数の個数: 18

約数和(自身を含む): 819113490

約数和(自身を除く): 71371469

約数列:

[1, 13, 139, 169, 229, 1807, 2977, 19321, 23491, 31831, 38701, 251173, 413803, 3265249, 4424509, 5379439, 57518617, 747742021]

約数ペア:

[(1, 747742021), (13, 57518617), (139, 5379439), (169, 4424509), (229, 3265249), (1807, 413803), (2977, 251173), (19321, 38701), (23491, 31831)]