420028497

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 763248640

約数和(自身を除く): 343220143

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 127, 133, 171, 189, 307, 381, 399, 513, 567, 889, 921, 1143, 1197, 1539, 2149, 2413, 2667, 2763, 3429, 3591, 5833, 6447, 7239, 8001, 8289, 10287, 10773, 16891, 17499, 19341, 21717, 24003, 24867, 38989, 40831, 50673, 52497, 58023, 65151, 72009, 116967, 122493, 152019, 157491, 174069, 195453, 272923, 350901, 367479, 456057, 472473, 740791, 818769, 1052703, 1102437, 1368171, 2222373, 2456307, 3158109, 3307311, 5185537, 6667119, 7368921, 15556611, 20001357, 22106763, 46669833, 60004071, 140009499, 420028497]

約数ペア:

[(1, 420028497), (3, 140009499), (7, 60004071), (9, 46669833), (19, 22106763), (21, 20001357), (27, 15556611), (57, 7368921), (63, 6667119), (81, 5185537), (127, 3307311), (133, 3158109), (171, 2456307), (189, 2222373), (307, 1368171), (381, 1102437), (399, 1052703), (513, 818769), (567, 740791), (889, 472473), (921, 456057), (1143, 367479), (1197, 350901), (1539, 272923), (2149, 195453), (2413, 174069), (2667, 157491), (2763, 152019), (3429, 122493), (3591, 116967), (5833, 72009), (6447, 65151), (7239, 58023), (8001, 52497), (8289, 50673), (10287, 40831), (10773, 38989), (16891, 24867), (17499, 24003), (19341, 21717)]