20199095469

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{345869}}^1$

素因数の和:345991

約数の個数: 40

約数和(自身を含む): 34819424640

約数和(自身を除く): 14620329171

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 2163, 2781, 6489, 8343, 19467, 58401, 345869, 1037607, 2421083, 3112821, 7263249, 9338463, 21789747, 28015389, 35624507, 65369241, 106873521, 196107723, 249371549, 320620563, 748114647, 961861689, 2244343941, 2885585067, 6733031823, 20199095469]

約数ペア:

[(1, 20199095469), (3, 6733031823), (7, 2885585067), (9, 2244343941), (21, 961861689), (27, 748114647), (63, 320620563), (81, 249371549), (103, 196107723), (189, 106873521), (309, 65369241), (567, 35624507), (721, 28015389), (927, 21789747), (2163, 9338463), (2781, 7263249), (6489, 3112821), (8343, 2421083), (19467, 1037607), (58401, 345869)]