2019552003

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 3459557088

約数和(自身を除く): 1440005085

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 173, 257, 309, 441, 519, 721, 771, 927, 1211, 1557, 1799, 2163, 2313, 3633, 5047, 5397, 6489, 8477, 10899, 12593, 15141, 16191, 17819, 25431, 26471, 37779, 44461, 45423, 53457, 76293, 79413, 113337, 124733, 133383, 160371, 185297, 238239, 311227, 374199, 400149, 555891, 873131, 933681, 1122597, 1297079, 1667673, 2178589, 2619393, 2801043, 3891237, 4579483, 6535767, 7858179, 11673711, 13738449, 19607301, 32056381, 41215347, 96169143, 224394667, 288507429, 673184001, 2019552003]

約数ペア:

[(1, 2019552003), (3, 673184001), (7, 288507429), (9, 224394667), (21, 96169143), (49, 41215347), (63, 32056381), (103, 19607301), (147, 13738449), (173, 11673711), (257, 7858179), (309, 6535767), (441, 4579483), (519, 3891237), (721, 2801043), (771, 2619393), (927, 2178589), (1211, 1667673), (1557, 1297079), (1799, 1122597), (2163, 933681), (2313, 873131), (3633, 555891), (5047, 400149), (5397, 374199), (6489, 311227), (8477, 238239), (10899, 185297), (12593, 160371), (15141, 133383), (16191, 124733), (17819, 113337), (25431, 79413), (26471, 76293), (37779, 53457), (44461, 45423)]