72985689

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^2$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 123836544

約数和(自身を除く): 50850855

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 157, 329, 423, 471, 987, 1099, 1413, 2961, 3297, 7379, 9891, 22137, 24649, 51653, 66411, 73947, 154959, 172543, 221841, 464877, 517629, 1158503, 1552887, 3475509, 8109521, 10426527, 24328563, 72985689]

約数ペア:

[(1, 72985689), (3, 24328563), (7, 10426527), (9, 8109521), (21, 3475509), (47, 1552887), (63, 1158503), (141, 517629), (157, 464877), (329, 221841), (423, 172543), (471, 154959), (987, 73947), (1099, 66411), (1413, 51653), (2961, 24649), (3297, 22137), (7379, 9891)]