2240385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 4316160

約数和(自身を除く): 2075775

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1123, 1995, 3369, 5615, 7861, 16845, 21337, 23583, 39305, 64011, 106685, 117915, 149359, 320055, 448077, 746795, 2240385]

約数ペア:

[(1, 2240385), (3, 746795), (5, 448077), (7, 320055), (15, 149359), (19, 117915), (21, 106685), (35, 64011), (57, 39305), (95, 23583), (105, 21337), (133, 16845), (285, 7861), (399, 5615), (665, 3369), (1123, 1995)]