254608911

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 399709440

約数和(自身を除く): 145100529

約数列:

[1, 3, 9, 19, 57, 67, 71, 171, 201, 213, 313, 603, 639, 939, 1273, 1349, 2817, 3819, 4047, 4757, 5947, 11457, 12141, 14271, 17841, 20971, 22223, 42813, 53523, 62913, 66669, 90383, 188739, 200007, 271149, 398449, 422237, 813447, 1195347, 1266711, 1488941, 3586041, 3800133, 4466823, 13400469, 28289879, 84869637, 254608911]

約数ペア:

[(1, 254608911), (3, 84869637), (9, 28289879), (19, 13400469), (57, 4466823), (67, 3800133), (71, 3586041), (171, 1488941), (201, 1266711), (213, 1195347), (313, 813447), (603, 422237), (639, 398449), (939, 271149), (1273, 200007), (1349, 188739), (2817, 90383), (3819, 66669), (4047, 62913), (4757, 53523), (5947, 42813), (11457, 22223), (12141, 20971), (14271, 17841)]