15921423

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 36

約数和(自身を含む): 27150240

約数和(自身を除く): 11228817

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 457, 553, 711, 1371, 1659, 3199, 3871, 4113, 4977, 9597, 11613, 22393, 28791, 34839, 36103, 67179, 108309, 201537, 252721, 324927, 758163, 1769047, 2274489, 5307141, 15921423]

約数ペア:

[(1, 15921423), (3, 5307141), (7, 2274489), (9, 1769047), (21, 758163), (49, 324927), (63, 252721), (79, 201537), (147, 108309), (237, 67179), (441, 36103), (457, 34839), (553, 28791), (711, 22393), (1371, 11613), (1659, 9597), (3199, 4977), (3871, 4113)]