1215205857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2633}}^1\times {\mathrm{2699}}^1$

素因数の和:5357

約数の個数: 24

約数和(自身を含む): 1849068000

約数和(自身を除く): 633862143

約数列:

[1, 3, 9, 19, 57, 171, 2633, 2699, 7899, 8097, 23697, 24291, 50027, 51281, 150081, 153843, 450243, 461529, 7106467, 21319401, 63958203, 135022873, 405068619, 1215205857]

約数ペア:

[(1, 1215205857), (3, 405068619), (9, 135022873), (19, 63958203), (57, 21319401), (171, 7106467), (2633, 461529), (2699, 450243), (7899, 153843), (8097, 150081), (23697, 51281), (24291, 50027)]