151918921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{18439}}^1$

素因数の和:18564

約数の個数: 16

約数和(自身を含む): 191185920

約数和(自身を除く): 39266999

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 18439, 129073, 202829, 1419803, 1972973, 13810811, 21702703, 151918921]

約数ペア:

[(1, 151918921), (7, 21702703), (11, 13810811), (77, 1972973), (107, 1419803), (749, 202829), (1177, 129073), (8239, 18439)]