1904219895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257501}}^1$

素因数の和:257555

約数の個数: 32

約数和(自身を含む): 3337225920

約数和(自身を除く): 1433006025

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 257501, 772503, 1287505, 3862515, 4377517, 7467529, 13132551, 21887585, 22402587, 37337645, 65662755, 112012935, 126947993, 380843979, 634739965, 1904219895]

約数ペア:

[(1, 1904219895), (3, 634739965), (5, 380843979), (15, 126947993), (17, 112012935), (29, 65662755), (51, 37337645), (85, 22402587), (87, 21887585), (145, 13132551), (255, 7467529), (435, 4377517), (493, 3862515), (1479, 1287505), (2465, 772503), (7395, 257501)]