406897407

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8291}}^1$

素因数の和:8364

約数の個数: 48

約数和(自身を含む): 724389120

約数和(自身を除く): 317491713

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 861, 1197, 2337, 2583, 5453, 7011, 8291, 16359, 24873, 49077, 58037, 74619, 157529, 174111, 339931, 472587, 522333, 1019793, 1102703, 1417761, 2379517, 3059379, 3308109, 6458689, 7138551, 9924327, 19376067, 21415653, 45210823, 58128201, 135632469, 406897407]

約数ペア:

[(1, 406897407), (3, 135632469), (7, 58128201), (9, 45210823), (19, 21415653), (21, 19376067), (41, 9924327), (57, 7138551), (63, 6458689), (123, 3308109), (133, 3059379), (171, 2379517), (287, 1417761), (369, 1102703), (399, 1019793), (779, 522333), (861, 472587), (1197, 339931), (2337, 174111), (2583, 157529), (5453, 74619), (7011, 58037), (8291, 49077), (16359, 24873)]