205775871

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 364953600

約数和(自身を除く): 159177729

約数列:

[1, 3, 7, 17, 19, 21, 23, 51, 57, 69, 119, 133, 161, 323, 357, 391, 399, 437, 483, 969, 1173, 1311, 1319, 2261, 2737, 3059, 3957, 6783, 7429, 8211, 9177, 9233, 22287, 22423, 25061, 27699, 30337, 52003, 67269, 75183, 91011, 156009, 156961, 175427, 212359, 426037, 470883, 515729, 526281, 576403, 637077, 1278111, 1547187, 1729209, 2982259, 3610103, 4034821, 8946777, 9798851, 10830309, 12104463, 29396553, 68591957, 205775871]

約数ペア:

[(1, 205775871), (3, 68591957), (7, 29396553), (17, 12104463), (19, 10830309), (21, 9798851), (23, 8946777), (51, 4034821), (57, 3610103), (69, 2982259), (119, 1729209), (133, 1547187), (161, 1278111), (323, 637077), (357, 576403), (391, 526281), (399, 515729), (437, 470883), (483, 426037), (969, 212359), (1173, 175427), (1311, 156961), (1319, 156009), (2261, 91011), (2737, 75183), (3059, 67269), (3957, 52003), (6783, 30337), (7429, 27699), (8211, 25061), (9177, 22423), (9233, 22287)]