77657921

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 95185440

約数和(自身を除く): 17527519

約数列:

[1, 11, 17, 19, 121, 187, 209, 323, 1987, 2057, 2299, 3553, 21857, 33779, 37753, 39083, 240427, 371569, 415283, 641801, 4087259, 4568113, 7059811, 77657921]

約数ペア:

[(1, 77657921), (11, 7059811), (17, 4568113), (19, 4087259), (121, 641801), (187, 415283), (209, 371569), (323, 240427), (1987, 39083), (2057, 37753), (2299, 33779), (3553, 21857)]