201909071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{9689}}^1$

素因数の和:9938

約数の個数: 16

約数和(自身を含む): 249614400

約数和(自身を除く): 47705329

約数列:

[1, 7, 13, 91, 229, 1603, 2977, 9689, 20839, 67823, 125957, 881699, 2218781, 15531467, 28844153, 201909071]

約数ペア:

[(1, 201909071), (7, 28844153), (13, 15531467), (91, 2218781), (229, 881699), (1603, 125957), (2977, 67823), (9689, 20839)]