204020271

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 388817520

約数和(自身を除く): 184797249

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 399, 441, 637, 741, 819, 931, 1197, 1729, 1873, 1911, 2223, 2793, 5187, 5619, 5733, 8379, 12103, 13111, 15561, 16857, 24349, 35587, 36309, 39333, 73047, 91777, 106761, 108927, 117999, 170443, 219141, 249109, 275331, 320283, 462631, 511329, 747327, 825993, 1193101, 1387893, 1533987, 1743763, 2241981, 3238417, 3579303, 4163679, 5231289, 9715251, 10737909, 15693867, 22668919, 29145753, 68006757, 204020271]

約数ペア:

[(1, 204020271), (3, 68006757), (7, 29145753), (9, 22668919), (13, 15693867), (19, 10737909), (21, 9715251), (39, 5231289), (49, 4163679), (57, 3579303), (63, 3238417), (91, 2241981), (117, 1743763), (133, 1533987), (147, 1387893), (171, 1193101), (247, 825993), (273, 747327), (399, 511329), (441, 462631), (637, 320283), (741, 275331), (819, 249109), (931, 219141), (1197, 170443), (1729, 117999), (1873, 108927), (1911, 106761), (2223, 91777), (2793, 73047), (5187, 39333), (5619, 36309), (5733, 35587), (8379, 24349), (12103, 16857), (13111, 15561)]