78272943

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 130944000

約数和(自身を除く): 52671057

約数列:

[1, 3, 7, 21, 29, 43, 49, 61, 87, 129, 147, 183, 203, 301, 343, 427, 609, 903, 1029, 1247, 1281, 1421, 1769, 2107, 2623, 2989, 3741, 4263, 5307, 6321, 7869, 8729, 8967, 9947, 12383, 14749, 18361, 20923, 26187, 29841, 37149, 44247, 55083, 61103, 62769, 76067, 86681, 128527, 183309, 228201, 260043, 385581, 427721, 532469, 606767, 899689, 1283163, 1597407, 1820301, 2699067, 3727283, 11181849, 26090981, 78272943]

約数ペア:

[(1, 78272943), (3, 26090981), (7, 11181849), (21, 3727283), (29, 2699067), (43, 1820301), (49, 1597407), (61, 1283163), (87, 899689), (129, 606767), (147, 532469), (183, 427721), (203, 385581), (301, 260043), (343, 228201), (427, 183309), (609, 128527), (903, 86681), (1029, 76067), (1247, 62769), (1281, 61103), (1421, 55083), (1769, 44247), (2107, 37149), (2623, 29841), (2989, 26187), (3741, 20923), (4263, 18361), (5307, 14749), (6321, 12383), (7869, 9947), (8729, 8967)]