206821965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{29399}}^1$

素因数の和:29481

約数の個数: 32

約数和(自身を含む): 383846400

約数和(自身を除く): 177024435

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 7035, 29399, 88197, 146995, 205793, 440985, 617379, 1028965, 1969733, 3086895, 5909199, 9848665, 13788131, 29545995, 41364393, 68940655, 206821965]

約数ペア:

[(1, 206821965), (3, 68940655), (5, 41364393), (7, 29545995), (15, 13788131), (21, 9848665), (35, 5909199), (67, 3086895), (105, 1969733), (201, 1028965), (335, 617379), (469, 440985), (1005, 205793), (1407, 146995), (2345, 88197), (7035, 29399)]