17718921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 28248480

約数和(自身を除く): 10529559

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2011, 2937, 6033, 8811, 18099, 22121, 66363, 178979, 199089, 536937, 1610811, 1968769, 5906307, 17718921]

約数ペア:

[(1, 17718921), (3, 5906307), (9, 1968769), (11, 1610811), (33, 536937), (89, 199089), (99, 178979), (267, 66363), (801, 22121), (979, 18099), (2011, 8811), (2937, 6033)]