420868791

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5626

約数の個数: 60

約数和(自身を含む): 769981080

約数和(自身を除く): 349112289

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 399, 441, 513, 567, 931, 1197, 1323, 1539, 2793, 3591, 3969, 5581, 8379, 10773, 16743, 25137, 39067, 50229, 75411, 106039, 117201, 150687, 273469, 318117, 351603, 452061, 742273, 820407, 954351, 1054809, 2226819, 2461221, 2863053, 3164427, 5195911, 6680457, 7383663, 8589159, 15587733, 20041371, 22150989, 46763199, 60124113, 140289597, 420868791]

約数ペア:

[(1, 420868791), (3, 140289597), (7, 60124113), (9, 46763199), (19, 22150989), (21, 20041371), (27, 15587733), (49, 8589159), (57, 7383663), (63, 6680457), (81, 5195911), (133, 3164427), (147, 2863053), (171, 2461221), (189, 2226819), (399, 1054809), (441, 954351), (513, 820407), (567, 742273), (931, 452061), (1197, 351603), (1323, 318117), (1539, 273469), (2793, 150687), (3591, 117201), (3969, 106039), (5581, 75411), (8379, 50229), (10773, 39067), (16743, 25137)]