12890493

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 24897600

約数和(自身を除く): 12007107

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 89, 99, 121, 133, 171, 209, 231, 267, 363, 399, 623, 627, 693, 801, 847, 979, 1089, 1197, 1463, 1691, 1869, 1881, 2299, 2541, 2937, 4389, 5073, 5607, 6853, 6897, 7623, 8811, 10769, 11837, 13167, 15219, 16093, 18601, 20559, 20691, 32307, 35511, 48279, 55803, 61677, 75383, 96921, 106533, 130207, 144837, 167409, 204611, 226149, 390621, 613833, 678447, 1171863, 1432277, 1841499, 4296831, 12890493]

約数ペア:

[(1, 12890493), (3, 4296831), (7, 1841499), (9, 1432277), (11, 1171863), (19, 678447), (21, 613833), (33, 390621), (57, 226149), (63, 204611), (77, 167409), (89, 144837), (99, 130207), (121, 106533), (133, 96921), (171, 75383), (209, 61677), (231, 55803), (267, 48279), (363, 35511), (399, 32307), (623, 20691), (627, 20559), (693, 18601), (801, 16093), (847, 15219), (979, 13167), (1089, 11837), (1197, 10769), (1463, 8811), (1691, 7623), (1869, 6897), (1881, 6853), (2299, 5607), (2541, 5073), (2937, 4389)]