28666989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 45110520

約数和(自身を除く): 16443531

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 2753, 3471, 8259, 10413, 24777, 35789, 107367, 245017, 322101, 735051, 2205153, 3185221, 9555663, 28666989]

約数ペア:

[(1, 28666989), (3, 9555663), (9, 3185221), (13, 2205153), (39, 735051), (89, 322101), (117, 245017), (267, 107367), (801, 35789), (1157, 24777), (2753, 10413), (3471, 8259)]