199921533

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{22613}}^1$

素因数の和:23044

約数の個数: 16

約数和(自身を含む): 305379456

約数和(自身を除く): 105457923

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 22613, 67839, 158291, 474873, 9520073, 28560219, 66640511, 199921533]

約数ペア:

[(1, 199921533), (3, 66640511), (7, 28560219), (21, 9520073), (421, 474873), (1263, 158291), (2947, 67839), (8841, 22613)]