15550821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 27099072

約数和(自身を除く): 11548251

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 281, 387, 429, 473, 559, 843, 1287, 1419, 1677, 2529, 3091, 3653, 4257, 5031, 6149, 9273, 10959, 12083, 18447, 27819, 32877, 36249, 40183, 55341, 108747, 120549, 132913, 157079, 361647, 398739, 471237, 1196217, 1413711, 1727869, 5183607, 15550821]

約数ペア:

[(1, 15550821), (3, 5183607), (9, 1727869), (11, 1413711), (13, 1196217), (33, 471237), (39, 398739), (43, 361647), (99, 157079), (117, 132913), (129, 120549), (143, 108747), (281, 55341), (387, 40183), (429, 36249), (473, 32877), (559, 27819), (843, 18447), (1287, 12083), (1419, 10959), (1677, 9273), (2529, 6149), (3091, 5031), (3653, 4257)]