80894457

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2544

約数の個数: 48

約数和(自身を含む): 145832960

約数和(自身を除く): 64938503

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 1197, 1539, 1701, 2503, 3591, 4617, 7509, 10773, 17521, 22527, 32319, 47557, 52563, 67581, 142671, 157689, 202743, 332899, 428013, 473067, 608229, 998697, 1284039, 1419201, 2996091, 3852117, 4257603, 8988273, 11556351, 26964819, 80894457]

約数ペア:

[(1, 80894457), (3, 26964819), (7, 11556351), (9, 8988273), (19, 4257603), (21, 3852117), (27, 2996091), (57, 1419201), (63, 1284039), (81, 998697), (133, 608229), (171, 473067), (189, 428013), (243, 332899), (399, 202743), (513, 157689), (567, 142671), (1197, 67581), (1539, 52563), (1701, 47557), (2503, 32319), (3591, 22527), (4617, 17521), (7509, 10773)]