201438171

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 352429440

約数和(自身を除く): 150991269

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 73, 81, 99, 163, 171, 209, 219, 297, 489, 513, 627, 657, 803, 891, 1387, 1467, 1539, 1793, 1881, 1971, 2409, 3097, 4161, 4401, 5379, 5643, 5913, 7227, 9291, 11899, 12483, 13203, 15257, 16137, 16929, 21681, 27873, 34067, 35697, 37449, 45771, 48411, 65043, 83619, 102201, 107091, 112347, 130889, 137313, 145233, 226081, 250857, 306603, 321273, 392667, 411939, 678243, 919809, 963819, 1178001, 1235817, 2034729, 2486891, 2759427, 3534003, 6104187, 7460673, 10602009, 18312561, 22382019, 67146057, 201438171]

約数ペア:

[(1, 201438171), (3, 67146057), (9, 22382019), (11, 18312561), (19, 10602009), (27, 7460673), (33, 6104187), (57, 3534003), (73, 2759427), (81, 2486891), (99, 2034729), (163, 1235817), (171, 1178001), (209, 963819), (219, 919809), (297, 678243), (489, 411939), (513, 392667), (627, 321273), (657, 306603), (803, 250857), (891, 226081), (1387, 145233), (1467, 137313), (1539, 130889), (1793, 112347), (1881, 107091), (1971, 102201), (2409, 83619), (3097, 65043), (4161, 48411), (4401, 45771), (5379, 37449), (5643, 35697), (5913, 34067), (7227, 27873), (9291, 21681), (11899, 16929), (12483, 16137), (13203, 15257)]