872289

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 30

約数和(自身を含む): 1448370

約数和(自身を除く): 576081

約数列:

[1, 3, 9, 11, 27, 33, 81, 89, 99, 121, 267, 297, 363, 801, 891, 979, 1089, 2403, 2937, 3267, 7209, 8811, 9801, 10769, 26433, 32307, 79299, 96921, 290763, 872289]

約数ペア:

[(1, 872289), (3, 290763), (9, 96921), (11, 79299), (27, 32307), (33, 26433), (81, 10769), (89, 9801), (99, 8811), (121, 7209), (267, 3267), (297, 2937), (363, 2403), (801, 1089), (891, 979)]