42904989

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 63121344

約数和(自身を除く): 20216355

約数列:

[1, 3, 9, 131, 151, 241, 393, 453, 723, 1179, 1359, 2169, 19781, 31571, 36391, 59343, 94713, 109173, 178029, 284139, 327519, 4767221, 14301663, 42904989]

約数ペア:

[(1, 42904989), (3, 14301663), (9, 4767221), (131, 327519), (151, 284139), (241, 178029), (393, 109173), (453, 94713), (723, 59343), (1179, 36391), (1359, 31571), (2169, 19781)]