17918907

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 24366720

約数和(自身を除く): 6447813

約数列:

[1, 3, 97, 139, 291, 417, 443, 1329, 13483, 40449, 42971, 61577, 128913, 184731, 5972969, 17918907]

約数ペア:

[(1, 17918907), (3, 5972969), (97, 184731), (139, 128913), (291, 61577), (417, 42971), (443, 40449), (1329, 13483)]