155320641

素因数分解:

$3^2\times 7^2\times {\mathrm{352201}}^1$

素因数の和:352221

約数の個数: 18

約数和(自身を含む): 260981682

約数和(自身を除く): 105661041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 352201, 1056603, 2465407, 3169809, 7396221, 17257849, 22188663, 51773547, 155320641]

約数ペア:

[(1, 155320641), (3, 51773547), (7, 22188663), (9, 17257849), (21, 7396221), (49, 3169809), (63, 2465407), (147, 1056603), (441, 352201)]