72816345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 144947712

約数和(自身を除く): 72131367

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 271, 315, 813, 853, 1355, 1897, 2439, 2559, 4065, 4265, 5691, 5971, 7677, 9485, 12195, 12795, 17073, 17913, 28455, 29855, 38385, 53739, 85365, 89565, 231163, 268695, 693489, 1155815, 1618141, 2080467, 3467445, 4854423, 8090705, 10402335, 14563269, 24272115, 72816345]

約数ペア:

[(1, 72816345), (3, 24272115), (5, 14563269), (7, 10402335), (9, 8090705), (15, 4854423), (21, 3467445), (35, 2080467), (45, 1618141), (63, 1155815), (105, 693489), (271, 268695), (315, 231163), (813, 89565), (853, 85365), (1355, 53739), (1897, 38385), (2439, 29855), (2559, 28455), (4065, 17913), (4265, 17073), (5691, 12795), (5971, 12195), (7677, 9485)]