2188215

素因数分解:

$3^5\times 5^1\times {\mathrm{1801}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 3935568

約数和(自身を除く): 1747353

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1801, 5403, 9005, 16209, 27015, 48627, 81045, 145881, 243135, 437643, 729405, 2188215]

約数ペア:

[(1, 2188215), (3, 729405), (5, 437643), (9, 243135), (15, 145881), (27, 81045), (45, 48627), (81, 27015), (135, 16209), (243, 9005), (405, 5403), (1215, 1801)]