291283281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{3257}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 443869920

約数和(自身を除く): 152586639

約数列:

[1, 3, 9, 19, 57, 171, 523, 1569, 3257, 4707, 9771, 9937, 29313, 29811, 61883, 89433, 185649, 556947, 1703411, 5110233, 15330699, 32364809, 97094427, 291283281]

約数ペア:

[(1, 291283281), (3, 97094427), (9, 32364809), (19, 15330699), (57, 5110233), (171, 1703411), (523, 556947), (1569, 185649), (3257, 89433), (4707, 61883), (9771, 29811), (9937, 29313)]