2145213

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 3751488

約数和(自身を除く): 1606275

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2003, 6009, 14021, 18027, 34051, 42063, 102153, 126189, 238357, 306459, 715071, 2145213]

約数ペア:

[(1, 2145213), (3, 715071), (7, 306459), (9, 238357), (17, 126189), (21, 102153), (51, 42063), (63, 34051), (119, 18027), (153, 14021), (357, 6009), (1071, 2003)]