219255477

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 354816000

約数和(自身を除く): 135560523

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 439, 1317, 1399, 3073, 4197, 7463, 9219, 9793, 22389, 23783, 29379, 52241, 71349, 156723, 166481, 499443, 614161, 1842483, 4299127, 10440737, 12897381, 31322211, 73085159, 219255477]

約数ペア:

[(1, 219255477), (3, 73085159), (7, 31322211), (17, 12897381), (21, 10440737), (51, 4299127), (119, 1842483), (357, 614161), (439, 499443), (1317, 166481), (1399, 156723), (3073, 71349), (4197, 52241), (7463, 29379), (9219, 23783), (9793, 22389)]