1856115

素因数分解:

$3^4\times 5^1\times {\mathrm{4583}}^1$

素因数の和:4600

約数の個数: 20

約数和(自身を含む): 3327984

約数和(自身を除く): 1471869

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4583, 13749, 22915, 41247, 68745, 123741, 206235, 371223, 618705, 1856115]

約数ペア:

[(1, 1856115), (3, 618705), (5, 371223), (9, 206235), (15, 123741), (27, 68745), (45, 41247), (81, 22915), (135, 13749), (405, 4583)]