31515399

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2578

約数の個数: 28

約数和(自身を含む): 50050656

約数和(自身を除く): 18535257

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2543, 4131, 7629, 12393, 22887, 43231, 68661, 129693, 205983, 389079, 617949, 1167237, 1853847, 3501711, 10505133, 31515399]

約数ペア:

[(1, 31515399), (3, 10505133), (9, 3501711), (17, 1853847), (27, 1167237), (51, 617949), (81, 389079), (153, 205983), (243, 129693), (459, 68661), (729, 43231), (1377, 22887), (2543, 12393), (4131, 7629)]