421280811

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 749568000

約数和(自身を除く): 328287189

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 199, 207, 483, 487, 597, 621, 1393, 1449, 1461, 1791, 3409, 4179, 4347, 4383, 4577, 5373, 10227, 11201, 12537, 13149, 13731, 30681, 32039, 33603, 37611, 41193, 78407, 92043, 96117, 96913, 100809, 123579, 235221, 288351, 290739, 302427, 678391, 705663, 865053, 872217, 2035173, 2116989, 2228999, 2616651, 6105519, 6686997, 15602993, 18316557, 20060991, 46808979, 60182973, 140426937, 421280811]

約数ペア:

[(1, 421280811), (3, 140426937), (7, 60182973), (9, 46808979), (21, 20060991), (23, 18316557), (27, 15602993), (63, 6686997), (69, 6105519), (161, 2616651), (189, 2228999), (199, 2116989), (207, 2035173), (483, 872217), (487, 865053), (597, 705663), (621, 678391), (1393, 302427), (1449, 290739), (1461, 288351), (1791, 235221), (3409, 123579), (4179, 100809), (4347, 96913), (4383, 96117), (4577, 92043), (5373, 78407), (10227, 41193), (11201, 37611), (12537, 33603), (13149, 32039), (13731, 30681)]