128313459

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 188697600

約数和(自身を除く): 60384141

約数列:

[1, 3, 9, 79, 237, 251, 711, 719, 753, 2157, 2259, 6471, 19829, 56801, 59487, 170403, 178461, 180469, 511209, 541407, 1624221, 14257051, 42771153, 128313459]

約数ペア:

[(1, 128313459), (3, 42771153), (9, 14257051), (79, 1624221), (237, 541407), (251, 511209), (711, 180469), (719, 178461), (753, 170403), (2157, 59487), (2259, 56801), (6471, 19829)]