128127999

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{11867}}^1$

素因数の和:11990

約数の個数: 16

約数和(自身を含む): 176595840

約数和(自身を除く): 48467841

約数列:

[1, 3, 59, 61, 177, 183, 3599, 10797, 11867, 35601, 700153, 723887, 2100459, 2171661, 42709333, 128127999]

約数ペア:

[(1, 128127999), (3, 42709333), (59, 2171661), (61, 2100459), (177, 723887), (183, 700153), (3599, 35601), (10797, 11867)]