1890105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 3538944

約数和(自身を除く): 1648839

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 383, 705, 987, 1149, 1645, 1915, 2681, 4935, 5745, 8043, 13405, 18001, 40215, 54003, 90005, 126007, 270015, 378021, 630035, 1890105]

約数ペア:

[(1, 1890105), (3, 630035), (5, 378021), (7, 270015), (15, 126007), (21, 90005), (35, 54003), (47, 40215), (105, 18001), (141, 13405), (235, 8043), (329, 5745), (383, 4935), (705, 2681), (987, 1915), (1149, 1645)]