280180989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{31799}}^1$

素因数の和:31905

約数の個数: 24

約数和(自身を含む): 446472000

約数和(自身を除く): 166291011

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2937, 8811, 31799, 95397, 286191, 349789, 1049367, 2830111, 3148101, 8490333, 25470999, 31131221, 93393663, 280180989]

約数ペア:

[(1, 280180989), (3, 93393663), (9, 31131221), (11, 25470999), (33, 8490333), (89, 3148101), (99, 2830111), (267, 1049367), (801, 349789), (979, 286191), (2937, 95397), (8811, 31799)]