209909805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{2927}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 384528384

約数和(自身を除く): 174618579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 683, 2049, 2927, 3415, 4781, 8781, 10245, 14343, 14635, 20489, 23905, 43905, 61467, 71715, 102445, 307335, 1999141, 5997423, 9995705, 13993987, 29987115, 41981961, 69969935, 209909805]

約数ペア:

[(1, 209909805), (3, 69969935), (5, 41981961), (7, 29987115), (15, 13993987), (21, 9995705), (35, 5997423), (105, 1999141), (683, 307335), (2049, 102445), (2927, 71715), (3415, 61467), (4781, 43905), (8781, 23905), (10245, 20489), (14343, 14635)]