42990213

素因数分解:

$3^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{1663}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 65601536

約数和(自身を除く): 22611323

約数列:

[1, 3, 7, 21, 1231, 1663, 3693, 4989, 8617, 11641, 25851, 34923, 2047153, 6141459, 14330071, 42990213]

約数ペア:

[(1, 42990213), (3, 14330071), (7, 6141459), (21, 2047153), (1231, 34923), (1663, 25851), (3693, 11641), (4989, 8617)]