221520663

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 417781056

約数和(自身を除く): 196260393

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 63, 81, 91, 117, 123, 189, 273, 287, 351, 369, 533, 567, 733, 819, 861, 1053, 1107, 1599, 2199, 2457, 2583, 3321, 3731, 4797, 5131, 6597, 7371, 7749, 9529, 11193, 14391, 15393, 19791, 23247, 28587, 30053, 33579, 43173, 46179, 59373, 66703, 85761, 90159, 100737, 138537, 200109, 210371, 257283, 270477, 302211, 390689, 415611, 600327, 631113, 771849, 811431, 1172067, 1800981, 1893339, 2434293, 2734823, 3516201, 5402943, 5680017, 8204469, 10548603, 17040051, 24613407, 31645809, 73840221, 221520663]

約数ペア:

[(1, 221520663), (3, 73840221), (7, 31645809), (9, 24613407), (13, 17040051), (21, 10548603), (27, 8204469), (39, 5680017), (41, 5402943), (63, 3516201), (81, 2734823), (91, 2434293), (117, 1893339), (123, 1800981), (189, 1172067), (273, 811431), (287, 771849), (351, 631113), (369, 600327), (533, 415611), (567, 390689), (733, 302211), (819, 270477), (861, 257283), (1053, 210371), (1107, 200109), (1599, 138537), (2199, 100737), (2457, 90159), (2583, 85761), (3321, 66703), (3731, 59373), (4797, 46179), (5131, 43173), (6597, 33579), (7371, 30053), (7749, 28587), (9529, 23247), (11193, 19791), (14391, 15393)]