1804905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 3294720

約数和(自身を除く): 1489815

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 2111, 6333, 10555, 18999, 31665, 40109, 94995, 120327, 200545, 360981, 601635, 1804905]

約数ペア:

[(1, 1804905), (3, 601635), (5, 360981), (9, 200545), (15, 120327), (19, 94995), (45, 40109), (57, 31665), (95, 18999), (171, 10555), (285, 6333), (855, 2111)]