287321727

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 223613313

約数列:

[1, 3, 7, 11, 21, 23, 33, 41, 69, 77, 123, 161, 231, 253, 287, 451, 483, 759, 861, 943, 1319, 1353, 1771, 2829, 3157, 3957, 5313, 6601, 9233, 9471, 10373, 14509, 19803, 27699, 30337, 31119, 43527, 54079, 72611, 91011, 101563, 162237, 212359, 217833, 304689, 333707, 378553, 594869, 637077, 1001121, 1135659, 1243817, 1784607, 2335949, 3731451, 4164083, 7007847, 8706719, 12492249, 13681987, 26120157, 41045961, 95773909, 287321727]

約数ペア:

[(1, 287321727), (3, 95773909), (7, 41045961), (11, 26120157), (21, 13681987), (23, 12492249), (33, 8706719), (41, 7007847), (69, 4164083), (77, 3731451), (123, 2335949), (161, 1784607), (231, 1243817), (253, 1135659), (287, 1001121), (451, 637077), (483, 594869), (759, 378553), (861, 333707), (943, 304689), (1319, 217833), (1353, 212359), (1771, 162237), (2829, 101563), (3157, 91011), (3957, 72611), (5313, 54079), (6601, 43527), (9233, 31119), (9471, 30337), (10373, 27699), (14509, 19803)]