16601991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41609}}^1$

素因数の和:41638

約数の個数: 16

約数和(自身を含む): 26630400

約数和(自身を除く): 10028409

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41609, 124827, 291263, 790571, 873789, 2371713, 5533997, 16601991]

約数ペア:

[(1, 16601991), (3, 5533997), (7, 2371713), (19, 873789), (21, 790571), (57, 291263), (133, 124827), (399, 41609)]