258303423

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 443888640

約数和(自身を除く): 185585217

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 113, 119, 133, 323, 337, 339, 357, 399, 791, 969, 1011, 1921, 2147, 2261, 2359, 2373, 5729, 5763, 6403, 6441, 6783, 7077, 13447, 15029, 17187, 19209, 36499, 38081, 40103, 40341, 44821, 45087, 108851, 109497, 114243, 120309, 134463, 255493, 266567, 326553, 647377, 723539, 761957, 766479, 799701, 1942131, 2170617, 2285871, 4531639, 5064773, 12300163, 13594917, 15194319, 36900489, 86101141, 258303423]

約数ペア:

[(1, 258303423), (3, 86101141), (7, 36900489), (17, 15194319), (19, 13594917), (21, 12300163), (51, 5064773), (57, 4531639), (113, 2285871), (119, 2170617), (133, 1942131), (323, 799701), (337, 766479), (339, 761957), (357, 723539), (399, 647377), (791, 326553), (969, 266567), (1011, 255493), (1921, 134463), (2147, 120309), (2261, 114243), (2359, 109497), (2373, 108851), (5729, 45087), (5763, 44821), (6403, 40341), (6441, 40103), (6783, 38081), (7077, 36499), (13447, 19209), (15029, 17187)]