90281667

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 140448000

約数和(自身を除く): 50166333

約数列:

[1, 3, 7, 21, 49, 147, 439, 1317, 1399, 3073, 4197, 9219, 9793, 21511, 29379, 64533, 68551, 205653, 614161, 1842483, 4299127, 12897381, 30093889, 90281667]

約数ペア:

[(1, 90281667), (3, 30093889), (7, 12897381), (21, 4299127), (49, 1842483), (147, 614161), (439, 205653), (1317, 68551), (1399, 64533), (3073, 29379), (4197, 21511), (9219, 9793)]