756453789

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 1452487680

約数和(自身を除く): 696033891

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 53, 63, 91, 111, 117, 157, 159, 189, 259, 273, 333, 351, 371, 471, 477, 481, 689, 777, 819, 999, 1099, 1113, 1413, 1431, 1443, 1961, 2041, 2067, 2331, 2457, 3297, 3339, 3367, 4239, 4329, 4823, 5809, 5883, 6123, 6201, 6993, 8321, 9891, 10017, 10101, 12987, 13727, 14287, 14469, 17427, 17649, 18369, 18603, 24963, 25493, 29673, 30303, 40663, 41181, 42861, 43407, 52281, 52947, 55107, 58247, 74889, 75517, 76479, 90909, 108173, 121989, 123543, 128583, 130221, 156843, 174741, 178451, 224667, 226551, 229437, 307877, 324519, 365967, 370629, 385749, 524223, 528619, 535353, 679653, 688311, 757211, 923631, 973557, 1097901, 1572669, 1585857, 1606059, 2038959, 2155139, 2271633, 2770893, 2920671, 4002401, 4757571, 4818177, 6465417, 6814899, 8312679, 12007203, 14272713, 19396251, 20444697, 28016807, 36021609, 58188753, 84050421, 108064827, 252151263, 756453789]

約数ペア:

[(1, 756453789), (3, 252151263), (7, 108064827), (9, 84050421), (13, 58188753), (21, 36021609), (27, 28016807), (37, 20444697), (39, 19396251), (53, 14272713), (63, 12007203), (91, 8312679), (111, 6814899), (117, 6465417), (157, 4818177), (159, 4757571), (189, 4002401), (259, 2920671), (273, 2770893), (333, 2271633), (351, 2155139), (371, 2038959), (471, 1606059), (477, 1585857), (481, 1572669), (689, 1097901), (777, 973557), (819, 923631), (999, 757211), (1099, 688311), (1113, 679653), (1413, 535353), (1431, 528619), (1443, 524223), (1961, 385749), (2041, 370629), (2067, 365967), (2331, 324519), (2457, 307877), (3297, 229437), (3339, 226551), (3367, 224667), (4239, 178451), (4329, 174741), (4823, 156843), (5809, 130221), (5883, 128583), (6123, 123543), (6201, 121989), (6993, 108173), (8321, 90909), (9891, 76479), (10017, 75517), (10101, 74889), (12987, 58247), (13727, 55107), (14287, 52947), (14469, 52281), (17427, 43407), (17649, 42861), (18369, 41181), (18603, 40663), (24963, 30303), (25493, 29673)]