1215209961

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{17207}}^1$

素因数の和:17298

約数の個数: 48

約数和(自身を含む): 2147558400

約数和(自身を除く): 932348439

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 399, 413, 531, 1121, 1197, 1239, 3363, 3717, 7847, 10089, 17207, 23541, 51621, 70623, 120449, 154863, 326933, 361347, 980799, 1015213, 1084041, 2288531, 2942397, 3045639, 6865593, 7106491, 9136917, 19289047, 20596779, 21319473, 57867141, 63958419, 135023329, 173601423, 405069987, 1215209961]

約数ペア:

[(1, 1215209961), (3, 405069987), (7, 173601423), (9, 135023329), (19, 63958419), (21, 57867141), (57, 21319473), (59, 20596779), (63, 19289047), (133, 9136917), (171, 7106491), (177, 6865593), (399, 3045639), (413, 2942397), (531, 2288531), (1121, 1084041), (1197, 1015213), (1239, 980799), (3363, 361347), (3717, 326933), (7847, 154863), (10089, 120449), (17207, 70623), (23541, 51621)]