2161755

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 3916800

約数和(自身を除く): 1755045

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 239, 335, 603, 717, 1005, 1195, 1809, 2151, 3015, 3585, 6453, 9045, 10755, 16013, 32265, 48039, 80065, 144117, 240195, 432351, 720585, 2161755]

約数ペア:

[(1, 2161755), (3, 720585), (5, 432351), (9, 240195), (15, 144117), (27, 80065), (45, 48039), (67, 32265), (135, 16013), (201, 10755), (239, 9045), (335, 6453), (603, 3585), (717, 3015), (1005, 2151), (1195, 1809)]