231388591

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 267208704

約数和(自身を除く): 35820113

約数列:

[1, 7, 223, 227, 653, 1561, 1589, 4571, 50621, 145619, 148231, 354347, 1019333, 1037617, 33055513, 231388591]

約数ペア:

[(1, 231388591), (7, 33055513), (223, 1037617), (227, 1019333), (653, 354347), (1561, 148231), (1589, 145619), (4571, 50621)]