18303117

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 28728000

約数和(自身を除く): 10424883

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1399, 1869, 4197, 4361, 9793, 13083, 29379, 68551, 124511, 205653, 373533, 871577, 2614731, 6101039, 18303117]

約数ペア:

[(1, 18303117), (3, 6101039), (7, 2614731), (21, 871577), (49, 373533), (89, 205653), (147, 124511), (267, 68551), (623, 29379), (1399, 13083), (1869, 9793), (4197, 4361)]