248833557

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4423}}^1$

素因数の和:4502

約数の個数: 48

約数和(自身を含む): 441692160

約数和(自身を除く): 192858603

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 893, 987, 1197, 2679, 2961, 4423, 6251, 8037, 13269, 18753, 30961, 39807, 56259, 84037, 92883, 207881, 252111, 278649, 588259, 623643, 756333, 1455167, 1764777, 1870929, 3949739, 4365501, 5294331, 11849217, 13096503, 27648173, 35547651, 82944519, 248833557]

約数ペア:

[(1, 248833557), (3, 82944519), (7, 35547651), (9, 27648173), (19, 13096503), (21, 11849217), (47, 5294331), (57, 4365501), (63, 3949739), (133, 1870929), (141, 1764777), (171, 1455167), (329, 756333), (399, 623643), (423, 588259), (893, 278649), (987, 252111), (1197, 207881), (2679, 92883), (2961, 84037), (4423, 56259), (6251, 39807), (8037, 30961), (13269, 18753)]