51780729

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 95090688

約数和(自身を除く): 43309959

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 43, 77, 91, 129, 143, 231, 273, 301, 401, 429, 473, 559, 903, 1001, 1203, 1419, 1677, 2807, 3003, 3311, 3913, 4411, 5213, 6149, 8421, 9933, 11739, 13233, 15639, 17243, 18447, 30877, 36491, 43043, 51729, 57343, 92631, 109473, 120701, 129129, 172029, 189673, 224159, 362103, 401401, 569019, 672477, 1204203, 1327711, 1569113, 2465749, 3983133, 4707339, 7397247, 17260243, 51780729]

約数ペア:

[(1, 51780729), (3, 17260243), (7, 7397247), (11, 4707339), (13, 3983133), (21, 2465749), (33, 1569113), (39, 1327711), (43, 1204203), (77, 672477), (91, 569019), (129, 401401), (143, 362103), (231, 224159), (273, 189673), (301, 172029), (401, 129129), (429, 120701), (473, 109473), (559, 92631), (903, 57343), (1001, 51729), (1203, 43043), (1419, 36491), (1677, 30877), (2807, 18447), (3003, 17243), (3311, 15639), (3913, 13233), (4411, 11739), (5213, 9933), (6149, 8421)]