402255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1277}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 797472

約数和(自身を除く): 395217

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1277, 3831, 6385, 8939, 11493, 19155, 26817, 44695, 57465, 80451, 134085, 402255]

約数ペア:

[(1, 402255), (3, 134085), (5, 80451), (7, 57465), (9, 44695), (15, 26817), (21, 19155), (35, 11493), (45, 8939), (63, 6385), (105, 3831), (315, 1277)]