128342271

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 172608128

約数和(自身を除く): 44265857

約数列:

[1, 3, 307, 331, 421, 921, 993, 1263, 101617, 129247, 139351, 304851, 387741, 418053, 42780757, 128342271]

約数ペア:

[(1, 128342271), (3, 42780757), (307, 418053), (331, 387741), (421, 304851), (921, 139351), (993, 129247), (1263, 101617)]