15929221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 21593088

約数和(自身を除く): 5663867

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 283, 301, 473, 731, 1309, 1981, 3113, 3311, 4811, 5117, 8041, 12169, 21791, 33677, 52921, 56287, 85183, 133859, 206873, 370447, 937013, 1448111, 2275603, 15929221]

約数ペア:

[(1, 15929221), (7, 2275603), (11, 1448111), (17, 937013), (43, 370447), (77, 206873), (119, 133859), (187, 85183), (283, 56287), (301, 52921), (473, 33677), (731, 21791), (1309, 12169), (1981, 8041), (3113, 5117), (3311, 4811)]