31000275

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4751}}^1$

素因数の和:4796

約数の個数: 36

約数和(自身を含む): 57451680

約数和(自身を除く): 26451405

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 4751, 6525, 14253, 23755, 42759, 71265, 118775, 137779, 213795, 356325, 413337, 688895, 1068975, 1240011, 2066685, 3444475, 6200055, 10333425, 31000275]

約数ペア:

[(1, 31000275), (3, 10333425), (5, 6200055), (9, 3444475), (15, 2066685), (25, 1240011), (29, 1068975), (45, 688895), (75, 413337), (87, 356325), (145, 213795), (225, 137779), (261, 118775), (435, 71265), (725, 42759), (1305, 23755), (2175, 14253), (4751, 6525)]