4390281

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 7862400

約数和(自身を除く): 3472119

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 89, 189, 203, 243, 261, 267, 567, 609, 623, 783, 801, 1701, 1827, 1869, 2349, 2403, 2581, 5481, 5607, 7047, 7209, 7743, 16443, 16821, 18067, 21627, 23229, 49329, 50463, 54201, 69687, 151389, 162603, 209061, 487809, 627183, 1463427, 4390281]

約数ペア:

[(1, 4390281), (3, 1463427), (7, 627183), (9, 487809), (21, 209061), (27, 162603), (29, 151389), (63, 69687), (81, 54201), (87, 50463), (89, 49329), (189, 23229), (203, 21627), (243, 18067), (261, 16821), (267, 16443), (567, 7743), (609, 7209), (623, 7047), (783, 5607), (801, 5481), (1701, 2581), (1827, 2403), (1869, 2349)]